Apocryptodon Punctatus (Apocryptodon punctatus), first described by Tomiyama, 1934 is a small fish in the family Gobiidae (order Gobiiformes). Adults typically reach 6.70 cm in maximum length. It inhabits brackish estuarine and coastal transition zones between freshwater and the sea. It occurs in Subtropical 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.
Distinguished by the following characteristics: 3 or 4 vertical, narrow, brown bars along the sides; predorsal scales 22-33 .: elongated.
Behavioural data for Apocryptodon Punctatus is currently being reviewed.
Brackish; demersal. Subtropical Northwest Pacific: endemic to Japan.
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