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🌊 Marine Data Deficient 🐠 Aquarium 🌡️ Temperate

Imai's pygmygoby

Trimma imaii Suzuki & Senou, 2009
Max Length
1.8 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
50–70 m
Climate
Temperate
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Imai's pygmygoby (Trimma imaii), first described by Suzuki & Senou, 2009 is a tiny fish in the family Gobiidae (order Gobiiformes). Adults typically reach 1.80 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 50 to 70 metres. It occurs in Temperate waters. On the IUCN Red List, it is classified as Data Deficient.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Gobiidae kept in the hobby.

Scientific Name
Trimma imaii
Authority
Suzuki & Senou, 2009
Habitat
Marine
Climate
Temperate
Body Shape
Fusiform / normal
IUCN Status
DD
Max Length
1.8 cm
Depth Range
50–70 m
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 8; Vertebrae: 26. This specie sis distinguished by the following characters: 7 predorsal scales; 9 second dorsal-fin rays; 16 pectoral fin rays, all unbranched; first dorsal fin with second spine elongate and filamentous; fifth pelvic-fin ray unbranched; height of basal membrane between innermost pelvic-fin rays about 20% of length of fifth ray; interorbital or postorbital trough absent; no scales on opercle; head and body dull yellow; fresh and color in life of snout, interorbit, and upper and lower parts of eye dark violet .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Imai's pygmygoby 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; benthopelagic; depth range 50 - 70 m . Temperate

🌿 Ecology

Zone Preferences
🌊 Marine

📐 Morphometrics

Length–Weight Relationship: W = 0.01023 × L3.01 (TL)
Max TL
1.8cm
Dorsal Spines
7
Dorsal Rays
9
Anal Spines
1
Anal Rays
8
Vertebrae
26

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2021

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Suzuki & Senou, 2009

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