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> Siluriformes (Catfishes) > Aspredinidae (Banjo catfishes) > Aspredininae
Etymology: Platystacus: Greek, platys = flat, broad + Latin, acus = needle (Ref. 45335).
More on author: Bloch.

Issue
See Mees (1987: 186) for detailed description. Friel (1994: 86) removed this species from Aspredo to preserve monophyly of that genus.

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

; süßwasser; brackwasser demersal; pH range: 6.8 - 8.2; dH range: 12 - 35. Tropical; 22°C - 25°C (Ref. 2060)

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Central and South America: Venezuela to northern Brazil (including the lower portions of coastal rivers).

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 31.8 cm SL Männchen/unbestimmt; (Ref. 36695); common length : 15.0 cm TL Männchen/unbestimmt; (Ref. 5217)

Occurs mainly in brackish water. Found on soft bottoms of shallow turbid water near river mouths. Reported to migrate from estuary into freshwater, but actual spawning apparently takes place in brackish water (Ref. 6868). The species has a peculiar mode of egg incubation wherein the female banjo catfish carries the eggs firmly attached to the underside of the body. This seems to be an adaptation to facilitate the oxygenation of the eggs in muddy environments. Reproduction probably occurs during the earlier part of the year (Ref. 35381).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Females carry their eggs and young attached to the ventral surface of the body.

Hauptreferenz Upload your references | Referenzen | Koordinator : Friel, John P. | Partner

Friel, J.P., 2003. Aspredinidae (Banjo catfishes). p. 261-267. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36695)

IUCN Rote Liste Status (Ref. 130435: Version 2024-1)

nicht bedroht (LC) ; Date assessed: 05 August 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien: nicht kommerziell; Aquarium: Kommerziell

FAO - Publication: search | FishSource |

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Estimates based on models

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

Bayesian length-weight: a=0.00269 (0.00134 - 0.00542), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic level (Ref. 69278): 3.2 ±0.4 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (29 of 100).

Platystacus cotylephorus Bloch, 1794