Bicolor blenny (Ecsenius bicolor)

Scientific name: Ecsenius bicolor Day, 1888

The Bicolor blenny (Ecsenius bicolor) is a marine fish of the family Blenniidae. Native range: Indo-Pacific, Maldives to the Phoenix Islands, north to Ryukyu Islands, south to the southern Great Barrier Reef; throughout Micronesia.

Biology

Dorsal spines (total): 11 - 12; Dorsal soft rays (total): 15-18; Anal spines: 2; Anal soft rays: 17 - 21. Occurs in three color phases: one black anteriorly and yellow posteriorly (bicolor phase), the others black dorsally with a broad white lateral band and dusky belly with or without a yellow tail.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Ecsenius bicolor
Family: Blenniidae (Combtooth blennies)
Order: Perciformes (Perch-like fish)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 11.0
Depth range: 1–25 m (3–82 ft)
Environment: Marine; reef-associated; depth range 1 - 25 m
Climate: Tropical
Distribution: Indo-Pacific: Maldives to the Phoenix Islands, north to Ryukyu Islands, south to the southern Great Barrier Reef; throughout Micronesia.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Uses: Aquarium: commercial
Resilience: High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)