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> Perciformes/Scorpaenoidei (Scorpionfishes) > Platycephalidae (Flatheads)
Eponymy: Dr Arthur Donovan Welander (1908–1982) was a fisheries biologist at the School of Fisheries, University of Washington, his alma mater which had awarded his BS (1934), MS (1940) and PhD (1946). [...] (Ref. 128868), visit book page.
More on author: Schultz.

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

marina revassocierade; ej vandrande; djupintervall 6 - 40 m (Ref. 9790). Tropical; 10°N - 15°S

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Indo-Pacific: Reunion east to American Samoa, south to Australia.

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 13.0 cm TL hane/ej könsbestämd; (Ref. 9790); common length : 8.0 cm TL hane/ej könsbestämd; (Ref. 9790)

Short description Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 9; Mjukstrålar i ryggfenan (totalt) : 11; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 11. Preopercle with a small antrorse spine. Infraorbital and suborbital ridges bearing many fine serrations. Preocular spines 2-3. Lower side of head bicarinate. Iris lappet slightly bilobed. (Ref. 9790).

Found in sandy areas of lagoons and seaward reefs. Usually caught with trawls in deeper water (Ref 90102).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Knapp, L.W., 1999. Platycephalidae. Flatheads. p. 2385-2421. In K.E. Carpenter and V.H. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Volume 4. Bony fishes part 2 (Mugilidae to Carangidae). FAO, Rome. (Ref. 9790)

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

Least Concern (LC) ; Date assessed: 04 March 2015

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fiskeri: saknar intresse

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Estimates based on models

Preferred temperature (Ref. 123201): 27.8 - 29.1, mean 28.5 °C (based on 114 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00457 (0.00230 - 0.00908), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisk nivå (Ref. 69278): 3.5 ±0.6 se; based on size and trophs of closest relatives

Resiliens (Ref. 120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).

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

Rogadius welanderi (Schultz, 1966)