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> Argentiniformes (Marine smelts) > Microstomatidae (Pencil smelts)
Eponymy: Fridtjof Nansen (1861–1930) was a Norwegian explorer, scientist, diplomat and later recipient of the Nobel Peace Prize. [...] (Ref. 128868), visit book page.

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

समुद्री; गहराई सीमा 0 - 580 m (Ref. 5123). Tropical; 20°N - 10°S

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Eastern Atlantic.

आकार / वज़न / Age

Maturity: L_m ? range ? - ? cm
Max length : 16.8 cm SL पुल्लिंग / अलिंग; (Ref. 5123)

Short description पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स

पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 9 - 10; ऐनल सौफट रेज़: 8 - 9; जानवरों की रीड़ का जोड़: 41 - 42. Branchiostegal 4. Pyloric caeca 7-9. Origin of dorsal fin base in front of center of the body. A dark pigment spot at adipose fin base (Ref. 5123).

Life cycle and mating behavior परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा

Main reference Upload your references | संदर्भ | संयोजक | सहयोगीयो

Cohen, D.M., 1990. Argentinidae. p. 235-238. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 4458)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Least Concern (LC) ; Date assessed: 11 July 2012

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

अधिक जानकारी

Trophic ecology
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Growth parameters
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Length-weight rel.
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Length-frequencies
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Human related
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Stamps, coins, misc.

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इंटरनेट स्रोत

Estimates based on models

Preferred temperature (Ref. 123201): 12.9 - 17.2, mean 15.6 °C (based on 33 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 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): 3.3 ±0.4 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Nansenia atlantica Blache & Rossignol, 1962