Hermit Crab Changes Shell & Hermit in a Bottle “After having looked for years, we finally saw a hermit crab in the act of switching shells. And, in the same month, also saw one walking around in a bottle!” Find out lots of great pictures and videos by the divers at Blenny Watcher, an . . . → Read More: Finding The Perfect Home That Just Screams YOU!
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By Kevin Zelnio, on  March 2nd, 2012  2 comments  Ecology, Pictures and Movies  Crustacea, Hermit Crab, shell, trash By Kevin Zelnio, on August 30th, 2010 Leave a comment Adaptations, Evolution, New Research, Organisms, Paleobiology Best of Zelnio, China, Crustacea, fossil, Yicaris Finding any new fossil is rare. Finding invertebrate fossils is made even more rare because of the squishy nature of most invertebrates. Sometimes the wandering paleontologist, toiling away with utmost care through dust and debris, can find parts of squishy invertebrates like scolodonts (polychaete jaws), coral rubble, carbonate shell cement, or maybe sea star or . . . → Read More: Yicaris – Progenitor of the Crustacea
By Dr. M, on July 19th, 2010 2 comments Biology, Dumping, New Research, Organisms, Plankton Acanthocephala, Amphipoda, anxiety, Arthropoda, Crustacea, depression, Echinogammarus, geotaxis, Parasite, phototaxis, serotonin Figure 2 from paper: Mean average phototaxis and geotaxis score of E. marinus exposed to varied concentrations of serotonin (n = 20 per treatment) over a 3-week period. Error bars to one standard deviation. *Significance compared with control determined by Mann–Whitney and Bonferroni correction p < 0.0125. Nearly 30-90% of the pharmaceuticals we digest are . . . → Read More: Your Happiness Kills Crustaceans
By Kevin Zelnio, on April 13th, 2010 12 comments Adaptations, Conservation & Environment, Ecology, Environmental Sciences, New Research Arthropoda, Best of Zelnio, Calcium, Chitin, Copper, Crab, Crustacea, Depuration, Exoskeleton, Fiddler Crab, Heavy Metals, Lead, Molting, Moulting, New Jersey, physiology, Toxicity, Uca pugnax, zinc Uca pugnax says, “On guard blasphemer!” Image from fiddlercrab.info. Everyone knows that all crabs moult. Its no secret. When you wear you skeleton on the outside, its difficult to find the room to grow. Every now and then crabs and other arthropods (as well as a few other phyla) shed their exoskeleton or cuticle, resorbing . . . → Read More: Fiddler Crabs Moult for a Breath of Fresh Air
By Kevin Zelnio, on March 12th, 2010 One comment Adaptations, Mating & Reproduction, New Research, Weird Argeiopsis, Arthropoda, Best of Zelnio, Bopyrid, Crustacea, Isopoda, Parasite, Parasitic Castration, Shrimp, Stenopus Isopods, you know them as those adorable little roly-poly bugs under rocks in the forest or the gigantic Bathynomus of the deep sea. They are also those cute and cuddly parasites in the gill chamber of shrimp too! Awww, How special! In a recent issue of JMBA-UK, Calado et al. describe how these fuzzy wittle . . . → Read More: Isopods Cause Reproductive Death in Shrimp
They get huge! And can take down a frikkin house! Also, dey vill piiiiiiiiinch yooooo!!!! By Kevin Zelnio, on February 9th, 2010 10 comments Organisms Arthropoda, Crustacea, Morphology, taxonomy Image adapted from the book cover of New Crustacean Species from the Phillipines. This week’s Mad Taxonomic Skillz challenge will utilize the awesome freely available resource for everything crustacean – Crustacea.net! We think that if crustaceans were easier to identify and to learn about, then they would be used more often in survey work, in . . . → Read More: Mad Taxonomic Skillz III – Crustacean Hunt!
By Dr. M, on January 5th, 2010 4 comments Adaptations, Biology, Mating & Reproduction, Organisms, Seeps, Vent, & Whale Falls Antarctica, Arthropoda, body size, Buddha nature, Crustacea, digestive tract, diversity, gonad, organs, proboscis, pycnogonid, respiration, sea spider “Pet” Giant Pycnogonid attacking computer. Much of the earth’s biodiversity lies within the phylum Arthropoda. You are probably aware of many species within the group trilobites, spiders, centipedes, crabs, insects, lobsters, and whole other mélange of strange beasties. Throw a crab and you are likely to hit another arthropod. Scratch that as I cannot condone . . . → Read More: Pycnogonids, more than spiders of the sea
By Kevin Zelnio, on August 24th, 2009 2 comments Scientist! Crustacea, Diodora, Isabel Farfante, Museum, Smithsonian, taxonomy As a taxonomist and marine biologist, it is very hard to lose “one of us”. There are not many around and each loss is a shock to the system. The loss of Isabel Farfante is a huge loss for crustacean taxonomy. I’ve never met her, but I’ve read many of papers and monographs. Her work . . . → Read More: Isabel Farfante 1916-2009
By Dr. M, on July 13th, 2009 2 comments Adaptations, Mating & Reproduction, Organisms, Paleobiology Cretaceous, Crustacea, female, intercourse, male, ostracode, Paleobiology, Reproduction, sex, sperm From Matzke-Karasz et al. 2009. A. Zenker Organ, a specialized organ modified from the vas deferen that serves asa pump for giant sperm. B&C The heavily coiled giant sperm with anteriour (an) and posterior (po) ends shown. Barnacles may have big penises but ostracodes of the superfamily Cypridoidea have giant sperm. Ostracode range are mostly . . . → Read More: 100 Million Year Old Giant Sperm
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