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> Stomiiformes (Lightfishes and dragonfishes) > Stomiidae (Barbeled dragonfishes) > Malacosteinae
Etymology: Malacosteus: Greek, malakos = soft + Greek, osteon = bone (Ref. 45335); australis: Name from Latin austral, meaning southern, for the geographical range of this species..

Environment: milieu / climate zone / depth range / distribution range पारिस्थितिकी

समुद्री बाथीड़िमरसल; गहराई सीमा 500 - 2000 m (Ref. 78501). Subtropical; 25°S - 45°S

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Circumglobal: subtropical and temperate waters of the southern hemisphere, 25°-45°S and equatorial Indian Ocean and Indo-Australasian Archipelago.

आकार / वज़न / Age

Maturity: L_m ? range ? - ? cm
Max length : 16.6 cm SL पुल्लिंग / अलिंग; (Ref. 78501); 19.2 cm SL (female)

Short description पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स

पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 16 - 21; ऐनल सौफट रेज़: 18 - 23; जानवरों की रीड़ का जोड़: 45 - 51. This species possess the following characters: in male, postorbital photophore (PO) 3.7-6.4% upper jaw length (UJL), 0.9-1.7% SL; female PO 2.5-4.4% UJL, 0.6-1.2% SL; IP photophores 5-7 in 3-7 clusters (Ref. 78501).

Only a few were caught above 500 m, thus it appears that this species does not regularly migrate on a diel basis out of the mesopelagic. With its large accessory orbital photophore (AO), this species likely uses this in employing a far-red visual system as part of its foraging strategy (Ref. 78501).

Life cycle and mating behavior Maturities | पुनरुत्पत्ति | Spawnings | Egg(s) | Fecundities | लार्वा

Main reference Upload your references | संदर्भ | संयोजक | सहयोगीयो

Kenaley, C.P., 2007. Revision of the stoplight loosejaw genus Malacosteus (Teleostei: Stomiidae: Malacosteinae), with description of a new species from the temperate Southern Hemisphere and Indian Ocean. Copeia 2007(4):886-900. (Ref. 78501)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 15 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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इंटरनेट स्रोत

Estimates based on models

Preferred temperature (Ref. 123201): 1.2 - 2.1, mean 1.8 °C (based on 558 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00407 (0.00157 - 0.01056), b=3.10 (2.87 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 4.1 ±0.7 se; based on size and trophs of closest relatives

लौटाव (Ref. 120179): माध्यम, न्यूनतम जनसंख्या दुगनी होने का समय 1.4 - 4.4 वर्ष। (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (13 of 100).

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Malacosteus australis Kenaley, 2007