Chan 1966 dícha (δῐ́χᾰ), to branch in two, described as intermediate between the Galeus-Parmaturus complex and Apristurus (all genera placed in Scyliorhinidae at the time); ichthýs …

Jan 5, 2026 · This log tracks additions, updates and changes to the ETYFish Project site, e.g., new pages, new taxa, generic reassignments, revised etymologies. (Correction of minor typos …

Bryconops transitorius (Steindachnesr 1915) Latin for transitional; Steindachner hypothesized that this taxon, proposed as a variety of B. melanurus, was one of “numerous transitions” or …

Dec 24, 2025 · Discus Tetras Subfamily STETHAPRIONINAE Eigenmann 1907 Brachychalcinus Boulenger 1892 brachýs (βραχύς), short, perhaps referring to short, compressed body; …

Revised 8 Oct. 2025 PDF version (with illustrations and additional information) Urobatis Garman 1913 uro, from ourá (οὐρά), tail, allusion not explained, possibly referring to blunt tail, “about …

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Revised 8 Nov. 2025 PDF version (with an illustration and additional information) Carcharias Rafinesque 1810 from kárcharos (κάρχαρος), saw-like or jagged, referring to its teeth …

Macrurocyttus acanthopodus Fowler 1934 acanthus, (L.), from ákantha (ἄκανθα), thorn; podus, from podós (ποδός, genitive of πούς), foot (ho-mologous to the ventral fin), referring to its …

Bonaparte 1845 Possibly first-published image of Chologaster conuta (as C. avitus, a junior synonym). From: Jordan, D. S. 1889. Descriptions of fourteen species of fresh-water fishes …

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