Periophthalmus Variabilis (Periophthalmus variabilis), first described by Eggert, 1935 is a small fish in the family Gobiidae (order Gobiiformes). Adults typically reach 7.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Gobiidae kept in the hobby.
Dorsal spines (total): 9 - 12; Dorsal soft rays (total): 11 - 12; Anal spines: 1; Anal soft rays: 10 - 12. This species is characterized by the following: first dorsal fin pattern and coloration variable between individuals, typically, first dorsal fin rounded, moderate height, white margin, and one brown or black stripe inframarginally; the first spine of first dorsal fin always longest, rarely elongated; rounded to elliptical red-orange spots present ventral to inframarginal stripe, turning black in preservative; the second dorsal fin with yellow-orange margin and one black band inframarginally, rounded red-orange spots present on membrane between elements at base, turning black in preservative; live color with caudal and pectoral fins red-orange; prominent pelvic frenum, inner rays fused for less than half their length; ventero-posterior branchiostegal membrane dusky; D1 modally X; D2 modally I,12; A I,11; caudal fin modally 14 segmented rays; 48-60 lateral scales; 17-22 predorsal scales .: fusiform / normal.
Behavioural data for Periophthalmus Variabilis is currently being reviewed.
Marine; brackish; demersal. Tropical
The following diseases are known to affect Periophthalmus Variabilis.
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