Bluemask darter (Etheostoma akatulo)

Scientific name: Etheostoma akatulo Layman & Mayden, 2009

The Bluemask darter (Etheostoma akatulo) is a freshwater fish of the family Percidae. Native range: North America, USA.

Biology

Dorsal spines (total): 10 - 13; Dorsal soft rays (total): 10-12. This species is distinguished from all other species under the subgenus Doration by the combination of the following set of characters: completely scaled cheeks (or nearly so); lateral line usually complete; breeding males possess an intense blue mask of pigment completely covering lower face and operculum, snout, lips, underside of head, and branchiostegal membranes; breeding males with soft dorsal and anal fins dark gray to black with no orange spots on rays or blue pigment in membranes.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Etheostoma akatulo
Family
Percidae (Perches)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
4.8
Environment
Freshwater; benthopelagic
Climate
Subtropical
Distribution
North America: USA.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
High, minimum population doubling time less than 15 months (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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