Overview

Comprehensive Description

Biology

This species is observed to be found among branches of table-like corals, usually Acropora nasuta, also A. valida, A. millepora (the coarse branched form) and sometimesA. tenuis (Ref. 94251).
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Distribution

West Pacific: Indonesia, Cocos Is., Japan (Ryukyu Is.), Micronesia (Ponape), Australia and Papua New Guinea.
  • Shibukawa, K., Suzuki, T. and M. Aizawa 2013 Gobiodon aoyagii, a new coral goby (Actinopterygii, Gobiidae, Gobiinae) from the West Pacific, with redescription of a similarly colored Congener Gobiodon erythrospilus Bleeker, 1875. Bull. Nat. Mus. Nat. Sci. 39(3):143-165. (Ref. 94251)
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Physical Description

Morphology

Dorsal spines (total): 7; Dorsal soft rays (total): 10 - 11; Analspines: 1; Analsoft rays: 8 - 10; Vertebrae: 26
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Size

Max. size

3.4 cm SL (male/unsexed; (Ref. 94251))
  • Shibukawa, K., Suzuki, T. and M. Aizawa 2013 Gobiodon aoyagii, a new coral goby (Actinopterygii, Gobiidae, Gobiinae) from the West Pacific, with redescription of a similarly colored Congener Gobiodon erythrospilus Bleeker, 1875. Bull. Nat. Mus. Nat. Sci. 39(3):143-165. (Ref. 94251)
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Diagnostic Description

This species possess many reddish spots/stripes on a yellow-green or sky-blue body; when alive or freshly-collected, it can be distinguished from similar reddish-spotted/lined congeners (G. aoyagii and G. histrio), by having the following set of details in color: 5-6 (usually 5) vertical reddish bars on head and pectoral-fin base; bars on cheek and operculum relatively short, usually not or barely reaching dorsally beyond a level of dorsal margin of eye; 3-8 longitudinal series of rounded or longitudinally elongate scarlet/reddish spots on body, sometimes continuous and forming longitudinal stripes; dorsal, anal and caudal fins are pale yellow with very narrow black distal margins; absence of a black spot at dorsoposterior corner of operculum. In alcohol-preserved specimens, all reddish spots are largely or entirely faded, but this species can still be distinguished from congeners by having a deep, inflected interopercle-isthmus groove; a series of minute non-imbricate cycloid scales on midlateral body; 6-7 upper or lower unsegmented caudal-fin rays; absence of a distinct dusky spot at dorsoposterior corner of operculum. Urogenital papilla in males are more narrowed distally and nearly triangular, while is females it is broader and nearly rectangular (Ref. 94251).
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Ecology

Habitat

Environment

reef-associated; marine; depth range 0 - 8 m (Ref. 94251)
  • Shibukawa, K., Suzuki, T. and M. Aizawa 2013 Gobiodon aoyagii, a new coral goby (Actinopterygii, Gobiidae, Gobiinae) from the West Pacific, with redescription of a similarly colored Congener Gobiodon erythrospilus Bleeker, 1875. Bull. Nat. Mus. Nat. Sci. 39(3):143-165. (Ref. 94251)
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Conservation

Threats

Not Evaluated
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