Spring cavefish (Forbesichthys agassizii)

Scientific name: Forbesichthys agassizii Putnam, 1872

Spring cavefish (Forbesichthys agassizii)

The Spring cavefish (Forbesichthys agassizii) is a freshwater fish of the family Amblyopsidae. Native range: North America, portions of Tennessee, Kentucky, Illinois and Missouri, U.S.A.

Biology

Dorsal soft rays (total): 9-11; Anal soft rays: 9 - 11; Vertebrae: 33 - 35. Scales minute and embedded. Pelvic fins absent. Branched caudal fin rays 11-17; branchiostegal rays 6. Triads of sensory papillae occur midlaterally and scattered clusters of neuromasts are present on the head. Coloration uniform dark gray to back with paler venter.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Forbesichthys agassizii
Family
Amblyopsidae (Cavefishes)
Order
Percopsiformes (Trout-perches, Pirate perches and Cavefish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
9.0
Common length
5.3
Environment
Freshwater; demersal
Climate
Temperate
Distribution
North America: portions of Tennessee, Kentucky, Illinois and Missouri, U.S.A.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
High, minimum population doubling time less than 15 months (K=0.67; tm=1; tmax=3; Fec = 100)

Sources

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

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