Myripristis orientalis
Myripristis orientalis
Kingdom: Animalia
Phylum: Chordata
Sub phylum : Vertebrata
Class: Actinopterygii
ENVIRONMENT
Marine; reef-associated; depth range 3 - 24 m, Tropical.
DISTRIBUTION
Eastern Pacific: Gulf of California to Ecuador, including the Galapagos Islands. Also found in the Revillagigedo and Cocos islands.
SIZE
Max length : 18.0 cm, common length : 12.0 cm.
MORPHOLOGY
Dorsal spines: 11
Dorsal soft rays: 12-15
Anal spines: 4
Anal soft rays: 11-13
Vertebrae: 26
Branchiostegal rays: 8 on each side (8-8)
The body is ovate and deep, with a moderately large, oblique mouth.
The snout is blunt, and the forehead is convex.
The eyes are very large. The preopercle has no spine at the corner and features a concave edge.
The opercle has a single short spine, while the inner ridge of the opercle and other head bones are serrated.
There are 28-34 gill rakers.
The dorsal fin has 11 spines and is continuous but deeply notched between the last two spines, with 13-15 soft rays. The anal fin has 4 spines, with the third spine being the stoutest, and either the third or fourth spine is the longest, followed by 11-13 soft rays.
The tail is forked. The scales are large and very rough, with 34-40 scales along the lateral line, and 2.5 scale rows above it.
The body is red with darker scale margins and faint stripes on the sides. The edge of the gill cover and the pectoral axil lack black pigment.
BIOLOGY
Adults typically hide under prominent rocks and in small caves during the day.
At night, they form small groups on rocky and sometimes soft substrates, or near the water's surface. Their primary diet consists of crustaceans.
They are oviparous, with larvae that are planktonic.