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Actinopterygii (ray-finned fishes) > Myctophiformes (Lanternfishes) > Myctophidae (Lanternfishes) > Lampanyctinae
Etymology: Nannobrachium: Latin, nannus = small + Latin, brachium = the upper arm from the shoulder to the elbow; 1731 (Ref. 45335).

Environment / Climate / Range Ecology

Marine; bathypelagic; depth range 772 - 3400 m (Ref. 50610). Deep-water, preferred ?; 66°N - 24°N, 135°E - 111°W

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

North Pacific: Bering Sea to the region east of Hokkaido, Japan in the western Pacific; Gulf of Alaska to off Bahia Magdalena, Baja California.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 21.0 cm TL male/unsexed; (Ref. 80637)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 15-16; Anal spines: 0; Anal soft rays: 17 - 19; Vertebrae: 36 - 38. 12-15 AO photophores; 8-9 tooth patches on the lower limb of the second gill arch; 37-40 lateral line organs (Ref. 36121). Pectoral fins with rather robust, stout rays (Ref. 36121). Rich brown to black, darkest dorsally and lighter below; dusky on fins, inner rays of pelvic fins whitish (Ref. 6885).

Epipelagic to mesopelagic (Ref. 31442); minimum depth of occurrence is 500 m upon reaching about 5 cm length (54657). Feed on euphausiids (Ref. 6885). Oviparous, with planktonic eggs and larvae (Ref. 31442).

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

Oviparous (Ref. 31442).

Main reference Upload your references | References | Coordinator : Paxton, John | Collaborators

Zahuranec, B.J., 2000. Zoogeography and systematics of the lanternfishes of the genus Nannobrachium (Myctophidae: Lampanictini). Smithson. Contrib. Zool., 607:1-69. (Ref. 36121)

IUCN Red List Status (Ref. 109396)

Not Evaluated

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

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

More information

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00661 (0.00397 - 0.01100), b=3.14 (2.99 - 3.29), based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic Level (Ref. 69278): 3.2 ±0.40 se; Based on food items.

Resilience (Ref. 69278): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).

Vulnerability (Ref. 59153): Moderate vulnerability (40 of 100) .

Entered by Froese, Rainer

Modified by Reyes, Rodolfo B.

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