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🌿 Brackish Least Concern 🐠 Aquarium 🌡️ Subtropical

Apocryptodon Punctatus

Apocryptodon punctatus Tomiyama, 1934
Max Length
6.7 cm
Max Weight
-
Lifespan
-
Trophic Level
2.8
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

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.

Scientific Name
Apocryptodon punctatus
Authority
Tomiyama, 1934
Habitat
Brackish
Climate
Subtropical
Body Shape
Elongated
IUCN Status
LC
Max Length
6.7 cm
Trophic Level
2.8
Resilience
High
Vulnerability
10.00/100

🐟 Physical Description

Distinguished by the following characteristics: 3 or 4 vertical, narrow, brown bars along the sides; predorsal scales 22-33 .: elongated.

🌀 Behaviour

Behavioural data for Apocryptodon Punctatus is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Brackish; demersal. Subtropical Northwest Pacific: endemic to Japan.

🌿 Ecology

Zone Preferences
🌿 Brackish ⬇️ Benthic
Trophic Level
2.8±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.00417 × L3.09 (TL)
Max TL
6.7cm

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2024

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.8
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Tomiyama, 1934

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