Actinopteri (ray-finned fishes) > Saccopharyngiformes
(Swallowers and gulpers) > Monognathidae
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. More on authors: Bertelsen & Nielsen.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 4853 - 5266 m (Ref. 58018), usually - m (Ref. ). Deep-water; 0°C -
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.0 cm TL male/unsexed; (Ref. 34506)
Morphology | Morphometrics
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.
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. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm total length, based on all LWR estimates for this body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.3 ±0.5 se; based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .