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Showing results for tags 'astephus'.
Mioplosus_Lover24 posted a topic in Questions & AnswersI am wondering why Lake Gosiute has been closed off to the public. It is the only part of fossil lake that has catfish and I really want to try and find one, instead of paying thousands of dollars for one. I have heard it was bought by a company, but I was still wondering if they would let a small private team dig or if they would sell any of the fossils. Thanks for any help!
Astephus and Hypsidoris are both members of the Family Ictaluridae, native to North America. Green River catfish are easily recognized by their stout dorsal and pectoral spines, scale less bodies and broad skull. Ictalurid species have four pairs of barbels (or whiskers). Like modern catfish, they possessed a vibration sensitive organ called the Weberian apparatus. The Weberian apparatus consists out of specialized vertebrae at the front of the spinal column which passed vibrations to the inner ear using the swim bladder as a resonance chamber. The structure essentially acts as an amplifier o