Biology:Pseudotolithus senegalensis

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Short description: Species of fish

Pseudotolithus senegalensis
Cassava Croaker imported from iNaturalist photo 54180575 on 20 April 2022.jpg
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Acanthuriformes
Family: Sciaenidae
Genus: Pseudotolithus
Species:
P. senegalensis
Binomial name
Pseudotolithus senegalensis
(Valenciennes, 1833)
Synonyms[2]
  • Pseudotolithus macrognathus Otolithus senegalensis
  • Valenciennes, 1833 (Valenciennes, 1833)
  • Bleeker, 1863 Otolithus macrognathus
  • Sciaena dux (Bleeker, 1863)
  • Sciaena senegalensis Bowdich, 1825

Pseudotolithus senegalensis, the cassava drum, is a large fish found on the coast of West Africa. It can grow up to a maximum length of 114 cm with a common length of about 50 cm for adults. It is known as cassava croaker or croaker in some parts of West Africa.[3][2]

The main diet are prawns and epibenthic crustaceans.[3]

Local names

Other names[3]
Language/region Name
Ijaw Gbu/n
Yoruba/Ilaje Apo
Nigerian English Croaker
Ga/Fante Ekan
Abidjan L'ombrine
Lebou Nguku
Wolof Law
Temne Laydy

Description

Pseudotolithus senegalensis is congeneric to P. typhus, it has a greyish brown color above that becomes paler beneath. Head has lateral eyes, a lower jaw that projects slightly above the upper jaw and large a mouth. It has 11 spines in its dorsal fin and 2 spines in the anal fin.[3][2] Allometric growth from larva to adult especially with the head and some fins.

Distribution

Pseudotolithus senegalensis is found in the Eastern Atlantic along the West African coast. It occurs over muddy waters in open shelf. Its northern boundary reaches Morocco and southern boundary is along the Angolan coast.[3][2] Prefers temperature water to be warmer that 16 °C.[3]

References

  1. Nunoo, F.; Nascimento, J.L.X. (2021). "Pseudotolithus senegalensis". IUCN Red List of Threatened Species 2021: e.T49217798A131073889. doi:10.2305/IUCN.UK.2021-1.RLTS.T49217798A131073889.en. https://www.iucnredlist.org/species/49217798/131073889. Retrieved 4 July 2023. 
  2. 2.0 2.1 2.2 2.3 Froese, Rainer and Pauly, Daniel, eds. (2023). "Pseudotolithus senegalensis" in FishBase. February 2023 version.
  3. 3.0 3.1 3.2 3.3 3.4 3.5 Longhurst, Alan R (1969) (in English). Synopsis of biological data on West African croakers, Pseudotolithus typus, P. senegalensis and P. elongatus. Rome: Food and Agriculture Organization of the United Nations. OCLC 281607. https://www.worldcat.org/oclc/281607. 

Wikidata ☰ Q2368567 entry