SCALY BLENNIES
LABRISOMIDAE
Mock/ Masquerader Blenny
Labrisomus cricota/ conditus
    Ecological Descriptors
Habitat Size (cm) Diet Behaviour Sex 
R 16/ 22 Cru Ter F
Description:
Difficult to distinguish between the 2 species: In the Mock Blenny (L. cricota), the first 3 leading spines of the dorsal fin are taller than the others, unlike with the Masquerader (L. conditus)
Body robust, head broad, snout blunt, eye large, with a long  branched cirrus over each eye.
Ocellus with white/ orange ring on operculum.

Mock Blenny (L. cricota):
Both sexes: body with 4-5 conspicuous dark bars and fainter bars between them, all bars extend onto dorsal and anal fins, bars on dorsal fin reach outer edge of fin: a well developed ocellus on operculum with a white ring: no dark blotch at front of dorsal fin;
Male: body olive-grey: head olive, with blue-green spots on cheek and snout; lower head and chest red, pelvics red:
Female: body violet- grey to grey-brown; lower head, chest and pelvics grey-brown, with irregular pale patches on lower side of head and throat.
Masquerader Blenny (L. conditus):
Both sexes: body grey to red-brown to very dark brown, with 4 irreaular dark bars, with fainter and shorter bars between those, often a 5th bar on tail base; light blue dots on head, body and dorsal, anal and tail fins, interspersed with greenish blotches on body and dorsal fin; an irregular. Poorlv defined, blackish blotch on upper corner of operculum partly edged by an incomplete, diffuse thick orange ring;
Male: head grey to red-brown to dark brown, cheeks mottled yellow-brown; chin through chest and belly yellow-brown: opercular orange edging relatively strong: dorsal fin dark on inner part paler outer part, without dark blotch at front:
Female: many more blue spots, especially on head and chest.



Ecology
Occur on rocky bottom with algal growth. It forages on benthic and algae-dwelling crustaceans, mostly amphipods. Males defend territories and probably tend harems. Sexually dimorphic  during breeding season
Mock/ Masquerader Blenny
(C) Van Tassel
Mock Blenny (female)
(C) C Sazima
Masquerader Blenny (female)
316