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🌊 Marine Least Concern 🐠 Aquarium 🌡️ Temperate

Amamiko dwarfgoby

Eviota amamiko Fujiwara, Suzuki & Motomura, 2019
Max Length
1.1 cm
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
7–15 m
Climate
Temperate
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Amamiko dwarfgoby (Eviota amamiko), first described by Fujiwara, Suzuki & Motomura, 2019 is a tiny fish in the family Gobiidae (order Gobiiformes). Adults typically reach 1.10 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 7 to 15 metres. It occurs in Temperate 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
Eviota amamiko
Authority
Fujiwara, Suzuki & Motomura, 2019
Habitat
Marine
Climate
Temperate
IUCN Status
LC
Max Length
1.1 cm
Depth Range
7–15 m
Trophic Level
2.9
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 8; Anal spines: 1; Anal soft rays: 8. This species is distinguished by the following set of characters: cephalic sensory-canal pores absent; dorsal/anal fin-ray formula 8/8; pectoral-fn rays 14-15; no 5th pelvic-fn ray or rudimentary; urogenital papillae of both sexes non-fimbriate; five dark brown irregularly shaped (usually X- or Y-like) bars on body; two narrow diagonal red lines below the eye; anal-fin base with two reddish-brown spots; caudal peduncle without dark spots over preural centrum; caudal-fin base no crescentic marks .Cross section: oval.

🌀 Behaviour

Behavioural data for Amamiko dwarfgoby is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

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

🌍 Habitat & Distribution

Marine; reef-associated; depth range 7 - 15 m . Temperate Northwest Pacific: Japan.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
2.9±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00692 × L3.09 (TL)
Max TL
1.1cm
Dorsal Spines
7
Dorsal Rays
8
Anal Spines
1
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Climate Zone
Temperate
Described By
Fujiwara, Suzuki & Motomura, 2019

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