Helcogramma rhinoceros Hansen, 1986
Description
Dorsal spines (total): 17 - 18; Dorsal soft rays (total): 10 - 11; Anal spines: 1; Anal soft rays: 20; Vertebrae: 37. Trunk without longitudinal stripes; symphyseal dentary pores 1; upper lip with proboscis-like extension on males, head with horizontal yellowish or bluish white line from the upper rim of upper jaw to opercle (Ref. 94457). Males are easily recognized by the extended nose and change color to display to females with an electric blue line below the eye, shaded by black below (Ref. 48636). Also Ref. 94101.
Common Names
Taxonomic Hierarchy
Kingdom: Animalia
Phylum: Chordata
Class: Teleostei
Order: Blenniiformes
Family: Tripterygiidae
Genus: Helcogramma
Species: Helcogramma rhinoceros Hansen, 1986
Climate Zone
Location
Biology
Adults inhabit clear coastal reefs with algae covered rocky boulders, usually in small groups (Ref. 48636). They occur in very shallow depths on rock surfaces and under ledges (Ref. 48636). Eggs are hemispherical and covered with numerous sticky threads that anchor them in the algae on the nesting sites (Ref. 240). Larvae are planktonic which occur primarily in shallow, nearshore waters (Ref. 94114). Minimum depth of 0 m reported from Ref. 58018.
Habitat
demersal