Revised 21 Oct. 2025
PDF version (with illustrations and additional information)
Bathygadus Günther 1878 bathýs (βαθύς), deep, referring to deep-sea habitat of B. cottoides (caught at 950–1280 m); gadus, from gádos (γάδος), a hake, cod or similar gadiform fish
Bathygadus antrodes (Jordan & Starks 1904) –odes, Neo-Latin from eíd̄os (εἶδος), form or shape: ántron (ἄντρον), cave or cavern, authors say “full of cavities,” referring to “spongy” head with “wide mucous canals and fragile crests”
Bathygadus bowersi (Gilbert 1905) in honor of American politician George M. Bowers (1863–1925), head of the United States Fish Commission, whose fisheries steamer Albatross collected type
Bathygadus cottoides Günther 1878 –oides, Neo-Latin from eī́dos (εἶδος), form or shape: Cottus, sculpin, presumably referring to sculpin-like combination of big head and wide mouth
Bathygadus dubiosus Weber 1913 Latin for doubtful or uncertain, described from a poorly preserved specimen that appears closely related to B. bowersi but differs in one character: the extension of the pectoral, ventral and possibly dorsal fins
Bathygadus entomelas Gilbert & Hubbs 1920 entós (ἐντός) within or inside; mélas (μέλας), black, referring to its completely black branchial cavity
Bathygadus favosus Goode & Bean 1886 scientific Neo-Latin for honeycombed, from favus (L.), honeycomb, referring to cavities in skull (authors translated word as “cavernous” in 1896)
Bathygadus furvescens Alcock 1894 Latin for growing dark (i.e., darkish), referring to its “warm dusky brown” coloration with “blackish” vertical fins, black paired fins, and black gill membranes, mouth and peritoneum
Bathygadus garretti Gilbert & Hubbs 1916 in honor of the late Lieut. Commander LeRoy Mason Garrett (1857–1906), U.S. Navy, commander of the fisheries steamer Albatross, which collected holotype, for his contributions to the success of a 1906 expedition to the Northwest Pacific; he was lost overboard during a storm on the return voyage from Japan
Bathygadus macrops Goode & Bean 1885 macro-, from makrós (μακρός), long or large; ṓps (ὦψ), eye, described at 20 mm in diameter, contained five times in length of head, twice as long as the eye of Gadomus longifilis, its presumed congener at the time
Bathygadus melanobranchus Vaillant 1888 mélanos (μέλανος), genitive of mélas (μέλας), black; branchus, from bránchia (βράγχια), gills, referring to black branchial cavity and interior of mouth
Bathygadus micronema (Gilbert 1905) micro-, from mikrós (μικρός), small; nḗma (νῆμα), thread, referring to “minute” mandibular barbel
Bathygadus nipponicus (Jordan & Gilbert 1904) –icus (L.), belonging to: Nippon, or Japan, where type locality, Suruga Bay, is situated
Bathygadus spongiceps Gilbert & Hubbs 1920 spongia (L.), sponge; –ceps (Neo-Latin), headed, referring to the “spongy nature” of its head
Bathygadus sulcatus (Smith & Radcliffe 1912) Latin for furrowed or grooved, presumably referring to small coracoid foramen (opening), “situated near the edge of the hypercoracoid, a shallow fossa [groove] extending backward toward center of bone”
Gadomus Regan 1903 gadus, from gádos (γάδος), a hake, cod or similar gadiform fish; omus, from hṓmos (ὦμος), shoulde, presumably referring to perforate scapula (shoulder blade) of G. longifilis
Gadomus aoteanus McCann & McKnight 1980 –anus (L.), belonging to: Aotearoa, “land of the long white cloud,” Maori name for New Zealand, type locality (also occurs off Australia)
Gadomus arcuatus (Goode & Bean 1886) Latin for bowed or arched, referring to its “gibbous” back, “the dorsal outline rising rapidly from the interorbital region to the origin of the first dorsal, whence it descends gradually to the end of the tail”
Gadomus capensis (Gilchrist & von Bonde 1924) –ensis, Latin suffix denoting place: the Cape, presumably referring to type locality off Table Bay, Cape Town, South Africa
Gadomus colletti Jordan & Gilbert 1904 in honor of Norwegian zoologist Robert Collett (1842–1913), University of Christiana
Gadomus denticulatus Gilbert & Hubbs 1920 Latin for having small teeth (denticulate), referring to teeth “so excessively minute and crowded as to form an even shagreen-like surface, on which the individual teeth cannot be distinguished by the unaided eye”
Gadomus dispar (Vaillant 1888) Latin for unlike or dissimilar, referring to confusion with G. longifilis at time of capture (but branchial cavity is not as black)
Gadomus filamentosus (Smith & Radcliffe 1912) Latin for filamentous, presumably referring to “filiform” second dorsal-fin spine and/or “filiform” pectoral- and ventral-fin rays
Gadomus introniger Gilbert & Hubbs 1920 intro (L.), inside or within; niger (L.), dark or black, referring to “wholly dark” buccal and branchial cavities
Gadomus longifilis (Goode & Bean 1885) longus (L.), long; filis (scientific Neo-Latin), thread-like or filiform, referring to its extended dorsal-, pectoral- and ventral-fin rays
Gadomus magnifilis Gilbert & Hubbs 1920 magnus (L.), great; filis (scientific Neo-Latin), thread-like or filiform, referring to long dorsal- and ventral-fin filaments
Gadomus melanopterus Gilbert 1905 black-finned, from mélanos (μέλανος), genitive of mélas (μέλας), black, and pterus, from pterón (πτερόν) or ptéryx (πτέρυξ), wing or fin, referring to “jet-black” base and axil of pectoral fins
Gadomus multifilis (Günther 1887) multi– (L.), many; filis (scientific Neo-Latin), thread-like or filiform, referring to second dorsal-, pectoral- and ventral-fin rays “produced into very long filaments”
Gadomus pepperi Iwamoto & Williams 1999 in honor of Roger Pepper, English-born fishing master of FRV [Fisheries Research Vessel] Southern Surveyor and FRV Soela, for his contributions to many scientific fishing expeditions, including those that provided much of the material for the authors’ study of the macrouroid fishes of western Australia