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Júlia K. Török

@julia-k-trk.bsky.social
32 followers 65 following 178 posts

Protistologist, also fascinated by marine life, especially invertebrates, larvae and plankton.

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Júlia K. Török @julia-k-trk.bsky.social · 14/10/2026
Two tiny #Trachurus (Mediterranean horse mackerel) shelter beneath a nearly stranded #Cotylorhiza tuberculata on the rocky southern #Istrian shore. Juvenile symbionts, they feed on parasites in exchange for protection, leaving only in their host’s final moments.
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Júlia K. Török @julia-k-trk.bsky.social · 13/10/2026
Resting on the beach: Landed among the rocks in the shallow intertidal zone, Northern #Adriatic_Sea. #Coryphella_lineata
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Júlia K. Török @julia-k-trk.bsky.social · 13/10/2026
Migrated from Twitter — snapshots from the past nine years in the colourful world of planktonic invertebrates
invertebrates_in_the_Adriatic_plankton
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Júlia K. Török @julia-k-trk.bsky.social · 13/10/2026
Entoprocta larva, Loxosoma sp., see paper of C. Nielsen (1971) for figures and description.
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Júlia K. Török @julia-k-trk.bsky.social · 13/10/2026
Lensia multicristata, a common siphonophore from the Northern Adriatic, having long filiform somatocyst with an oil drop at the tip. #Invertebrates #Plankton #Cnidaria
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Júlia K. Török @julia-k-trk.bsky.social · 13/03/2026
Zoea larvae from a shallow lagoon in the Istrian Peninsula, N Adriatic. #Adriatic_Plankton
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Júlia K. Török @julia-k-trk.bsky.social · 21/04/2025
Eleutheria dichotoma hydromedusa with dichotomous tentacles and medusa buds. Coastal waters of S Istria, Adriatic Sea.
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Júlia K. Török @julia-k-trk.bsky.social · 30/10/2024
A tiny Acoela adorned with golden granules. The granules are symbiotic algae (Symbiodiniaceae). Found in the coastal waters of the Northern Adriatic. #wormwednesday
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Júlia K. Török @julia-k-trk.bsky.social · 29/10/2024
Unknown marine larva: #Ctenophore, early stage? North Adria, #Plankton Any suggestion?
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Júlia K. Török @julia-k-trk.bsky.social · 27/10/2024
#Hoplitomella larva in a shallow lagoon of the Medulin Bay, Istria. Stony corals are missing from this area, proving that hoplitomella may drift in the plankton for long distances. #plankton, N Adriatic Sea
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Júlia K. Török @julia-k-trk.bsky.social · 11/08/2024
Acantharia with long celestite spicules and colorful symbiotic algae. Peculiarity of these radiolarians is that they metabolise strontium, producing strontium sulfate skelet of 10-20 spicules. #Plankton, #Adriatic Sea
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Júlia K. Török @julia-k-trk.bsky.social · 01/01/2024
Minute tree underwater - Cladocoryne floccosa, a rarely observed #hydroid in stereomicroscope. #intertidal of the rocky coastline in the North #Adriatic.
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Júlia K. Török @julia-k-trk.bsky.social · 29/12/2023
#Hermit crab Clibanarius erythropus among coastal red algae in the North #Adriatic Sea. Often in banded dye-murex shells, revealed by the tips of the legs only. Vivid purple and lilac patches on the shell are due to various red algae. Spirorbis worms complete the nice consortia!
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Júlia K. Török @julia-k-trk.bsky.social · 02/11/2023
Coryphella lineata! x.com/julia_k_trk/status/1057019218…
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Júlia K. Török @julia-k-trk.bsky.social · 23/10/2023
#SeaSlugDay x.com/julia_k_trk/status/1083152788…
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Júlia K. Török @julia-k-trk.bsky.social · 14/02/2022
This young bivalve filters food with huge gills in its mantle cavity. North Adria, #Invertebrates #MolluscMonday
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Júlia K. Török @julia-k-trk.bsky.social · 04/01/2022
Made in Germany - finished on the Adriatic! A container has been colonized by a dozen barnacles, otherwise obligate associates of sea turtles. Chelonibia caretta is an acorn barnacle commensal on turtles. The container is more of an unusual substitute for driftwood, not the host.
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Júlia K. Török @julia-k-trk.bsky.social · 03/01/2022
Monster at rest – Bottom trawl net carefully folded at the coast of the northern Adriatic Sea with an impressive amount of bycatch. Hundreds of 10-15 cm large #ophiuroids were sacrificed while fishing for flatfish and other #demersal fish. #Invertebrates #seabed
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Júlia K. Török @julia-k-trk.bsky.social · 15/12/2021
Underwater fireworks – mitraria larva of Oweniidae polychaete worms with long, glittering bristles from the coastal #plankton of the northern Adriatic Sea, one of the most beautiful floating marine organisms! #WormWednesday
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Júlia K. Török @julia-k-trk.bsky.social · 07/12/2021
Tiny sailor, between two transparent valves – cyphonautes larva propels water with two ciliary bands into the mantle cavity. Tentacles of sessile, adult zooids are covered with similar cilia. North Adria, #plankton, #invertebrates, #WormWednesday
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Júlia K. Török @julia-k-trk.bsky.social · 04/12/2021
In the coastal #plankton you can often find marine eggs and #embryos that have a wide variety of shapes and colors. Only weeks, days before hatching! #Advent season, North #Adriatic.
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Júlia K. Török @julia-k-trk.bsky.social · 09/10/2021
Pink sand from #Rangiroa appears more yellow on the other side of the Earth! The colour is caused by thousands of tiny #foraminiferans. Nicest present I've ever had! Thank you Sophie!
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Júlia K. Török @julia-k-trk.bsky.social · 05/02/2021
Lockdown Life – Time travel instead of a long journey to the Adriatic! Look at these spectacular fossil scleractinian corals from the #Pannonian_Sea in a creek running at the southern slope of the #Börzsöny Mountains! #FossilFriday #Invertebrates #Badenian #fossils
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Júlia K. Török @julia-k-trk.bsky.social · 18/01/2021
Contrasting coloration and feeding strategies in sacoglossans, sap-sucking slugs! Thuridilla hopei with diverse aposematic colour pattern feeds on algal sap, but Elysia timida retains functional plastids from the algae, surviving for 3 weeks with #kleptoplastids. #MolluscMonday
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Júlia K. Török @julia-k-trk.bsky.social · 20/12/2020
A young copepod from the #plankton of the northern Adriatic Sea for #Crustmas!
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Júlia K. Török @julia-k-trk.bsky.social · 18/12/2020
Alga in gala dress! – Red lipid droplets serve as nutrient reserve for this large, heterotrophic Dinoflagellate, Protoperidinium depressum. Pallium-feeding, often on diatoms. For mechanical stimulation produces bioluminescence. Coastal #plankton of the northern Adriatic Sea.
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Júlia K. Török @julia-k-trk.bsky.social · 09/12/2020
Two-in –one – Ophiuroid with an unknown epibiont: a Myzostomida? Juvenile Amphipholis squamata may also appear on the parent, but looks different. Northern Adriatic Sea benthos, #Invertebrates, #WormWednesday
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Júlia K. Török @julia-k-trk.bsky.social · 05/11/2020
A Duna - Árral szemben fb.watch/1AfPbqA9t0 @FacebookWatch által Along the #Danube River: history, society and people! After the great book, the first episode of the long-awaited documentary series will be released on Sunday! (Spektrum, Hungary)
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Júlia K. Török @julia-k-trk.bsky.social · 31/10/2020
Excellent paper! For #plankton fans: Exploration of marine phytoplankton: from their historical appreciation to the omics era academic.oup.com/plankt/advance-art…
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Júlia K. Török @julia-k-trk.bsky.social · 26/10/2020
Sentinel of the Sea – This young pelagic snail, not bigger than the eye of a needle has a thin, calcified shell. Increasing [CO2] in the sea prevents formation of their shell; as sentinel species, thecosomate pteropods show us the level of #ocean_acidification. #MolluscMonday
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Júlia K. Török @julia-k-trk.bsky.social · 24/10/2020
Bresslau's opal blue staining reveals the basic differences in ciliature of different #ciliophorean lineages. The easiest way to demonstrate #ciliate diversity for beginners and create permanent slides right in the classroom!
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Júlia K. Török @julia-k-trk.bsky.social · 23/10/2020
#Ciliates are really three dimensional! So many details visible with the opal blue staining of Bresslau – and a permanent slide in just a few minutes! #Ciliophora #protists
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Júlia K. Török @julia-k-trk.bsky.social · 09/10/2020
Larva with unknown adult - Thecostraca from the #plankton of the northern Adriatic Sea. Maybe an enigmatic Hansenocaris, grown up an endoparasite of other crustaceans?
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Júlia K. Török @julia-k-trk.bsky.social · 30/09/2020
Kinorhyncha youtu.be/6PPZxVe6VBs @YouTube által
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Júlia K. Török @julia-k-trk.bsky.social · 23/09/2020
Copepods have nauplius larvae - now showing the first movements after hatching; it is one of the most frequent event in fresh-water and sea. #Zooplankton from the Danube
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Júlia K. Török @julia-k-trk.bsky.social · 23/09/2020
Invázió páncél helyett kocsonyával: a Mnemiopsis leidyi invazív bordásmedúza ballasztvízzel került át Amerika partjaitól a Fekete-tengerre, majd elözönlötte a Földközi-tengert, hatalmas nyomást gyakorolva a #zooplanktonra és közvetve a halászatra. Már az É-Adrián is gyakori.
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Júlia K. Török @julia-k-trk.bsky.social · 21/08/2020
Rocky shores pose dangerous threat to gelatinous macroplankton. While mesoplanktonic organisms thrive among the strong coastal wawes, the large ctenophore’s days are numbered. N Adriatic #plankton, #Mnemiopsis bloom
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Júlia K. Török @julia-k-trk.bsky.social · 21/08/2020
Minute Monster! Tiny propellers move forward the rotifer Synchaeta in the water. Nearly half of the S. species are truly marine, whereas most rotifers live in freshwater. Northern Adriatic #plankton, #Invertfest
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Júlia K. Török @julia-k-trk.bsky.social · 21/08/2020
Historical paper on Adriatic cnidarians from Maria Pell (Hungary) with original illustration of Oceania armata. Correct citation: Math. természettud. Értesítő, 57:919–930. (not Math. term. Közlem.) #Plankton #Invertebrates
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Júlia K. Török @julia-k-trk.bsky.social · 05/08/2020
Miniature barrel in the daytime #plankton of the northern Adriatic: an unidentified doliolid species (Tunicata; Thaliacea). Its circular muscle strands are reminescnt of barrel straps, hence the name. #Invertebrates
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Júlia K. Török @julia-k-trk.bsky.social · 02/08/2020
Swarms of the infamous warty comb jellyfish appeared lately at the coastline of southern Istria (N Adriatic). #Plankton, #invasive_species
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Júlia K. Török @julia-k-trk.bsky.social · 02/08/2020
Juvenile barrel #jellyfish at the coastline of the northern Adriatic Sea. Only 5 cm in diameter, this member of the gelatinous #plankton was washed out of the neritic waters during stormy weather.
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Júlia K. Török @julia-k-trk.bsky.social · 06/07/2020
A would-be snail? No! A nice Spionidae, maybe Scolelepis from the German Wattenmeer! #marine #benthos #invertebrates
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Júlia K. Török @julia-k-trk.bsky.social · 15/06/2020
Our paper on the rare #crab Paragalene was published in #Crustaceana! ☺A misterious species with long story and unexpected occurrences across the #Mediterranean. #Crustaceans #Decapods #caves x.com/Brill_Biology/status/12460299…
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Júlia K. Török @julia-k-trk.bsky.social · 08/06/2020
Treasures of the northern Adriatic Sea for #WorldOceanDay2020 #WorldOceansDay2020 ! Have a look at the enormous variety of coastal #plankton!
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Júlia K. Török @julia-k-trk.bsky.social · 31/05/2020
Enigmatic egg? No idea of what I found in the northern Adriatic #plankton. Any suggestions are welcome!
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Júlia K. Török @julia-k-trk.bsky.social · 22/02/2020
Universe in a bubble - Early stage of embryogenesis, #plankton sample from the northern Adriatic Sea. #Invertebrates
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Júlia K. Török @julia-k-trk.bsky.social · 09/02/2020
A rare look at the skin (peristome membrane) of the purple sea urchin with an unusual view of the jaw-apparatus (Aristotle's lantern) with remains of the five, arrow-shaped CaCO3 plates, which can efficiently scrape algae over rocky substrats. N Adriatic coast. #Invertebrates
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Júlia K. Török @julia-k-trk.bsky.social · 01/01/2020
New year - new life: Carcinus aestuarii with eggs in a lagoon at the northern Adriatic Sea, 31 December. Happy new year 2020 to friends of marine life!
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Júlia K. Török @julia-k-trk.bsky.social · 19/12/2019
Personalised Christmas Tree Baubles for #plankton lovers: Leptomedusae from the northern Adriatic Sea!
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