Longfin crevalle jack (Caranx fischeri)

Scientific name: Caranx fischeri Smith-Vaniz & Carpenter, 2007

Longfin crevalle jack (Caranx fischeri)

The Longfin crevalle jack (Caranx fischeri) is a brackish-water fish of the family Carangidae. Native range: African coast from Mauritania south at least to Ma?amedes, southern Angola, historically present in the Mediterranean Sea.

Biology

Dorsal spines (total): 9; Dorsal soft rays (total): 21-24; Anal spines: 3; Anal soft rays: 17 - 19; Vertebrae: 24. This species is a member of the Caranx hippos complex characterized by the following: segmented dorsal-fin rays 21-23 (exceptional 24); segmented anal-fin rays 17-19, usually 18; posttemporal bones hyperossified in specimens larger than 20 cm FL; cleithrum, first pterygiophore of dorsal and anal fins, and neural spines of vertebrae relatively slender and never hyperossified; for individuals > 20 cm FL, heights of longest dorsal- and anal-fin rays both 0.7-1.3 in HL; in adults, anal-fin lobe white anteriorly and remainder of fin gray to brown.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Caranx fischeri
Family
Carangidae (Jacks and pompanos)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
53.0
Environment
Marine; brackish; pelagic-neritic
Climate
Tropical
Distribution
African coast from Mauritania south at least to Ma?amedes, southern Angola, historically present in the Mediterranean Sea.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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