HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesWarthead goby Warthead goby (Paragobiodon modestus) Scientific name: Paragobiodon modestus Regan, 1908 The Warthead goby (Paragobiodon modestus) is a marine fish of the family Gobiidae. Native range: Indo-Pacific, East Africa to Marshall Islands, north to the Ryukyu Islands, south to eastern Australia. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 8-9; Anal spines: 1; Anal soft rays: 9 - 10. Color pattern similar to P. echinocephalus (i.e. reddish orange head an black body and fins), but has shorter papillae on head. Midline of belly naked. Transverse scales 10-11. Mouth strongly curved downward; lips thick; chin heavy and square. Entire nape naked. Opercles with short, soft prickles or fibrils which also occur from lower margin of preopercles to mouth; ventrals also covered with similar prickles; dorsal fins very close together; dorsal base discontinuous; 2nd dorsal higher than 1st, posterior rays elongated; anal similar to 2nd dorsal but lower; caudal rounded; pectoral broad; ventrals cup-like, frenum bilobed.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameParagobiodon modestusFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length3.5Depth range9 m (30 ft)EnvironmentMarine; reef-associated; depth range ? - 9 mClimateTropicalDistributionIndo-Pacific: East Africa to Marshall Islands, north to the Ryukyu Islands, south to eastern Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026