Mascarenichthys Microphthalmus (Mascarenichthys microphthalmus) is a ray-finned fish. It inhabits marine (saltwater) waters. This species can reach a maximum total length of 4 cm. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.
Dorsal soft rays (total): 67 - 69; Anal soft rays: 52 - 55; Vertebrae: 40 - 41. This species possess the following distinguishing characters: D 67-69, A 52-55, pectoral fin rays 19, D/A is 19-22, V in D 2.0; vertebrae 11+29-30 = 40-41; anterior nostril located 1/4 the distance from upper lip to aggregate distance to anterior margin of eye; small eyes, 0.8-1.2 % SL; 2 pairs of free pseudoclaspers, the outer pseudoclasper simple, flap-shaped with pointed tip, broad at base, short, slightly shorter than inner pseudoclasper which is broad, with 3 ridges in anterior, posterior and inward directions and hidden in pocket of wide isthmus (in resting position); 6 scale rows on cheeks on upper part and 3 rows on lower part; presence of upper preopercular pore .
Behavioural data for Mascarenichthys Microphthalmus is currently being reviewed.
Marine; benthopelagic. Temperate Southeast Atlantic: South Africa.
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