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Myctophiformes (Lanternfishes) >
Myctophidae (Lanternfishes) > Diaphinae
Etymology: Diaphus: Greek, dis, dia = through + Greek, physa, phyo = to beget, to have as offspring (Ref. 45335); theta: Named after the Greek letter and refers to the body photophores which are divided horizontally by a fine line of black pigment (Ref. 6885).
More on authors: Eigenmann & Eigenmann.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina batypelagisk; djupintervall 10 - 3400 m (Ref. 50550), usually 10 - 400 m (Ref. 28981). Deep-water; 66°N - 20°S
Eastern Pacific: common in California Current region to 20°S (Ref. 31442), including Hawaii (Ref. 4925). Northwest Pacific: throughout subarctic-transitional waters to northern Japan (Ref. 31442).
Längd vid första mognad / Storlek / Vikt / Ålder
Könsmognad: Lm ?, range 6 - ? cm
Max length : 11.4 cm TL hane/ej könsbestämd; (Ref. 4925)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 12 - 14; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 12 - 14; Ryggkotor: 34 - 36. Adipose small, narrow based, slender (Ref. 6885). Brown to black on dorsal surface, lighter ventrally; fins pale (Ref. 6885). Branchiostegal rays: 9 (Ref. 31442).
Body shape (shape guide): fusiform / normal.
Epipelagic to mesopelagic (Ref. 31442). Feed at night or in the morning (Ref. 9199), on euphausiids, copepods, and amphipods (Ref. 11712). Oviparous, with planktonic eggs and larvae (Ref. 31442). Lipid content is 15.8 % in fresh body weight while wax ester is present in trace amounts (Ref. 9197). Minimum depth reported from Ref. 28981.
Clemens, W.A. and G.V. Wilby, 1961. Fishes of the Pacific coast of Canada. 2nd ed. Fish. Res. Bd. Canada Bull. (68):443 p. (Ref. 4925)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01023 (0.00448 - 0.02337), b=3.04 (2.86 - 3.22), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.2 ±0.1 se; based on diet studies. |
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Generation time |
2.2 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low to moderate vulnerability (25 of 100). 🛈 |