Synodontis albolineatus

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Synodontis albolineatus
Synodontis-albolineatus-cu86355lateral.jpg
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Mochokidae
Genus: Synodontis
Species: S. albolineatus
Binomial name
Synodontis albolineatus
Pellegrin, 1924
Synonyms
  • Synodontis albolineata Pellegrin 1924

Synodontis albolineatus, known as the mustard catfish,[2] or the mustard squeaker,[3] is a species of upside-down catfish native to Gabon and Cameroon, where it occurs in the Ntem and Ivindo rivers.[4] It was first described by French zoologist Jacques Pellegrin in 1924, based upon a holotype discovered in the Djoua River at Madjingo, Gabon.[5] The holotype specimen resides in the Musee National d' Histoire Naturelle de Paris.[3] The specific name "albolineatus" is a composite from the Latin word albus for "white" and the Latin word linea for "line", which refers to the white midlateral stripe of the species.

Description[edit]

The body of the fish is a dark brown to black with turquoise-brown marbled or spotted markings; spots are smaller on the head.[3][4] A thick, white lateral line appars in adults that horizontally along the length of the fish.[2] The fins are clear with brown spots.[3] The dorsal fin is composed of one prominent hard spine and seven soft rays.[4]

Like other members of the genus, this fish has a humeral process, which is a bony spike that is attached to a hardened head cap on the fish and can be seen extending beyond the gill opening.[5] The first ray of the dorsal fin and the pectoral fins have a hardened first ray which is serrated.[5] The caudal fin is forked with two equal lobes.[4] It has short, cone-shaped teeth in the upper jaw.[5] In the lower jaw, the teeth are s-shaped and movable.[5] The fish has one pair of maxillary barbels, and two pairs of mandibular barbels that are often branched.[2][5]

This species grows to a length of 10 centimetres (3.9 in) SL although specimens up to 17.2 centimetres (6.8 in) TL have been recorded in the wild.[4][5]

Habitat[edit]

In the wild, the species has been found in only four locations on the Ntem and Ivindo rivers.[1]

References[edit]

  1. ^ a b Moelants, T. (2010). "Synodontis albolineatus". IUCN Red List of Threatened Species. Version 2016.2. International Union for Conservation of Nature. Retrieved 17 October 2016. 
  2. ^ a b c "Synodontis albolineatus Pellegrin, 1924". scotcat.com. Retrieved 17 October 2016. 
  3. ^ a b c d Marshall, David (March 2005). "The Mustard Catfish". Federation of British Aquatic Societies. Retrieved 17 October 2016. 
  4. ^ a b c d e Froese, Rainer and Pauly, Daniel, eds. (2016). "Synodontis albolineatus" in FishBase. June 2016 version.
  5. ^ a b c d e f g "Synodontis albolineatus Pellegrin, 1924". Planet Catfish. 19 Jul 2013. Retrieved 17 October 2016. 

External links[edit]

Data related to Synodontis albolineatus at Wikispecies