Author: Goode & Bean, 1886

Gadomus longifilis Goode & Bean, 1886

Diagnosis: head moderate, about 15% SL; snout short and rounded, 26.3-28.9% head length; eye moderate, 23-28% head length; interorbital space wide, 21-25% head length; chin barbel present, longer than eye diameter. Pyloric caeca, 10-13. First finray of pectoral and pelvic fins very elongated, as also second finray of first dorsal fin (one and a half to two times head length); first dorsal fin with 9-11 finrays; pectoral fin with 14-16 finrays, its insertion a little before first dorsal fin origin; pelvic fin with 8 finrays, its insertion a little behind pectoral fin base. Scales without spinules, lateral line not strongly arched over pectoral fins. No light organ. Colour: body brownish, branchiostegal membrane and gill chamber black, a dark median stripe on gill lamellae. Size: to 30 cm TL.

Habitat: benthopelagic at 630-2,165 m. Food: small crustaceans. Reproduction: no data.

Distribution: Atlantic off the Azores, Madeira and Morocco northward to northern Portugal. Elsewhere, Western Atlantic (off eastern coast of Florida, Florida Strait, Gulf of Mexico, Caribbean).

Eggs, larvae and young stages. No data.
Otoliths (sagitta). Vaillant, 1888: 218, pl. XXII (fig. la-b).

Kingdom Animalia
Phylum Chordata
Subphylum Vertebrata
Superclass Gnathostomata
Class Osteichthyes
Order Gadiformes
Family Macrouridae
Genus Gadomus
Species Gadomus longifilis

Status in World Register of Marine Species

Accepted name: Gadomus longifilis (Goode & Bean, 1885)

Scientific synonyms and common names

Cadomus longifilis Goode & Bean, 1886

Synonyms:

Bathygadus longifilis Goode & Bean, 1886, Proc. U.S. natn. Mus., 8: 599. Type material: USNM no. 37338.
Hymenocephalus longifilis: Vaillant, 1888: 218, pl. 23 (fig. 1-1c).
Bathygadus longifilis: Collett, 1896b: 90 Roule, 1919: 88 Koefoed, 1927: 116.
Gadomus longifilis: Regan, 1903, (7)11: 459 Fowler, 1936: 452, fig. 221 (after Vaillant, 1888) Lozano Rey, 1960: 313, fig. 116 (after Vaillant, 1888) Geistdoerfer et al., 1971b: 1183.


Common name:

threadfin grenadier [En]

Fowler, H. W. 1936. The Marine Fishes of West Africa, based on the collection of the American Museum Congo Expedition 1909-1915. Bull. am. Mus. nat. Hist., 70 (1), Jan. 21, 1936: pp. vii+1-606, fig. 1-275; (2), Nov. 18, 1936: pp. 607-1493, fig. 276-567.

Geistdoerfer, P.; Hureau, J. C.; Rannou, M. 1971b. Liste préliminaire des espèces de Poissons de profondeur récoltées au cours de la campagne 'Noratlante' du N.O. Jean Charcot en Atlantique Nord (aout-octobre 1969). Bull. Mus. Hist. nat., Paris, 42 (6): 1177-1185.

Koefoed, E. 1927. Fishes from the Sea-Bottom. Rep. scient. Results Michael Sars N. Atlant. deep Sea Exped., [tittle page: 1927, 1932], 4 (1): 148 pp., 55 fig., 6 pl.

Lozano y Rey, L. 1960. Peces fisodistos. Tercera parte. Subseries Toracicos (Ordenes Equeneiformes y Gobiformes), Pediculados y Asimetricos. Mems R. Acad. Cienc. exact. fis. nat. Madr., ser.: Cienc. nat., 14: 613 pp., 173 fig., 7 pl.

Roule, L. 1919. Poissons provenant des campagnes du yacht 'Princesse Alice' (1891-1913) et du yacht 'Hirondelle II' (1914). Résult. Camp. scient. Prince Albert 1, 52: 191 pp., 7 pl.

Vaillant, L. 1888. Poissons in Expéditions scientifiques du 'Travailleur' et du 'Talisman' pendant les années 1880-1883. Masson, Paris, 406 pp., 28 pl.

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