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Actinopterygii (ray-finned fishes) > Stomiiformes (Lightfishes and dragonfishes) > Gonostomatidae (Bristlemouths)
Etymology: Sigmops: Taken from the name of the letter "S, sigma" (Ref. 45335).

Environment / Climate / Range Ecology

Marine; bathypelagic; depth range 0 - 2105 m (Ref. 58018). Deep-water, preferred ?

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Pacific: Solomon Sea, Papua New Guinea, and New Zealand (Ref. 5755). Eastern Pacific: well offshore from California and Baja California (Ref. 35800).

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 9.7 cm SL male/unsexed; (Ref. 39248)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 12-14; Anal spines: 0; Anal soft rays: 26 - 29; Vertebrae: 43 - 46. Distinct from closely related species in having a much greater distance between ventral and anal fins, a correspondingly larger number of photophores in the ventral and lateral series.

Mesopelagic, primarily at about 125-300 m depth at night and 520-700 m during the day (Ref. 35800). Oviparous, with planktonic eggs and larvae (Ref. 35800). Also Ref. 58302.

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Oviparous (Ref. 35800).

Main reference Upload your references | References | Coordinator | Collaborators

Kailola, P.J., 1987. The fishes of Papua New Guinea. A revised and annotated checklist. Vol. 1. Myxinidae to Synbranchidae. Research Bulletin No. 41. Department of Fisheries and Marine Resources, Port Moresby, Papua New Guinea. 194 p. (Ref. 6993)

IUCN Red List Status (Ref. 115185)

Not Evaluated

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00363 (0.00143 - 0.00924), b=3.07 (2.85 - 3.29), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic Level (Ref. 69278): 3.3 ±0.4 se; Based on size and trophs of closest relatives

Resilience (Ref. 69278): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).

Vulnerability (Ref. 59153): Low to moderate vulnerability (25 of 100) .

Entered by Casal, Christine Marie V.

Modified by Ortañez, Auda Kareen

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