Teleostei (teleosts) >
Saccopharyngiformes (Swallowers and gulpers) >
Monognathidae (Onejaws)
Etymology: Monognathus: Greek, monos = one + Greek, gnathos = jaw (Ref. 45335); rosenblatti: Named for Richard H. Rosenblatt who most kindly put the large Monognathus materail from the SIO at the authors' disposal.
Eponymy: Dr Richard Heinrich ‘Dick’ Rosenblatt (1930–2014) was an American ichthyologist and oceanographer. [...] (Ref. 128868), visit book page.
More on authors: Bertelsen & Nielsen.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathypelagic; depth range 4853 - 5266 m (Ref. 58018). Deep-water
Northeast Pacific.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 7.0 cm TL male/unsexed; (Ref. 34506)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 86; Anal soft rays: 66. M. rosenblatti differs from all other species of the genus by the following combination of characters: head long with elongate, pointed snout, skull length 5.3-7.9% TL, rostral fang strongly hooked with distal part in a nearly right angle to dorsal profile of skull, (5)-6-(7) teeth in each jaw, dorsal fin origin above myomeres nos. 9-12, and 4-(5) lateral, subdermal spots of pigmentation.
Body shape (shape guide): eel-like.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Bertelsen, E. and J.G. Nielsen, 1987. The deep sea eel family Monognathidae (Pisces, Anguilliformes). Steenstrupia 13(4):141-198. (Ref. 34506)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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