Actinopterygii (ray-finned fishes) > Osmeriformes
(Smelts) > Microstomatidae
Etymology: pelagica: From its pelagic life.
Environment: milieu / climate zone / depth range / distribution range
Marine; pelagic-oceanic; depth range 0 - 2000 m (Ref. 58302). Tropical; 15°N - 10°S
Southwest Atlantic, and western to eastern Central Pacific.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 10.8 cm SL male/unsexed; (Ref. 5123)
Morphology | Morphometrics
soft rays: 8 - 9;
Vertebrae: 38 - 39. Branchiostegal rays 4. Head longer than N. atlantica, 27-30% SL. A dark pigment spot on the gular area that becomes obscure with growth in specimens larger than 9 cm SL (Ref. 5123).
Mesopelagic (Ref. 58302).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kawaguchi, K. and J.L. Butler, 1984. Fishes of the genus Nansenia (Microsomatidae) with descriptions of seven new species. Los Angeles County Mus. Contr. Sci. 352:1-22. (Ref. 5123)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 5.9 - 11.1, mean 8.6 (based on 6 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.2 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .