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Teleostei (teleosts) > Alepocephaliformes (Slickheads and tubeshoulders.) > Platytroctidae (Tubeshoulders)
Eponymy: Henry Sears (1913–1982) was an American naval commander during WWII. [...] Einar Koefoed (1875–1963) was a Danish-born marine biologist, though much of his work was done in Norway. He took part in the ‘Michael Sars’ (q.v.) expedition of 1910, and was a pioneer researcher on Atlantic species such as the Pollack (1932). (Ref. 128868), visit book page.

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

Marine; bathypelagic; depth range 450 - 1500 m (Ref. 4461). Deep-water; 75°N - 2°N, 67°W -

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Eastern Atlantic: Denmark Strait (Ref. 6682) southward to Gulf of Guinea (Ref. 4461). Northwest Atlantic: in subtropical waters. Indian and Pacific: in tropical waters.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 15.0 cm SL male/unsexed; (Ref. 4461); max. published weight: 33.40 g (Ref. 126117)

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

Main reference Upload your references | References | Coordinator | Collaborators

Quéro, J.-C., T. Matsui, R.H. Rosenblatt and Y.I. Sazonov, 1984. Searsiidae. p. 256-267. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the north-eastern Atlantic and the Mediterranean. UNESCO, Paris. Vol. 1. (Ref. 6682)

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

Least Concern (LC) ; Date assessed: 15 July 2014

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

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Estimates based on models

Preferred temperature (Ref. 123201): 3.1 - 9.8, mean 6.4 °C (based on 522 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00407 (0.00154 - 0.01080), b=3.17 (2.94 - 3.40), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.4 ±0.5 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3).

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

Nutrients (Ref. 124155): Calcium = 45.4 [11.9, 207.3] mg/100g; Iron = 0.633 [0.189, 1.963] mg/100g; Protein = 2.96 [0.00, 6.99] %; Omega3 = 0.192 [0.060, 0.607] g/100g; Selenium = 14.9 [3.7, 63.5] μg/100g; VitaminA = 16.6 [2.0, 123.0] μg/100g; Zinc = 0.799 [0.358, 1.962] mg/100g (wet weight);

Searsia koefoedi Parr, 1937