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🌊 Marine Least Concern 🐠 Aquarium 🌡️ Temperate

Kudo's pygmygoby

Trimma kudoi Suzuki & Senou, 2008
Max Length
2.5 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
27–45 m
Climate
Temperate
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Kudo's pygmygoby (Trimma kudoi), first described by Suzuki & Senou, 2008 is a tiny fish in the family Gobiidae (order Gobiiformes). Adults typically reach 2.50 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 27 to 45 metres. It occurs in Temperate waters. 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
Trimma kudoi
Authority
Suzuki & Senou, 2008
Habitat
Marine
Climate
Temperate
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
2.5 cm
Depth Range
27–45 m
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 9 - 10; Anal spines: 1; Anal soft rays: 9; Vertebrae: 26. This species differs from its congeners in the following combination of characters; scales on predorsal midline absent; elongate spines of first dorsal fin absent; 5th pelvic-fin ray unbranched, 50-70% of 4th ray in length; basal membrane between innermost pelvic-fin rays 10-17% of length of 5th ray; a shallow or deep interorbital trough, no postorbital trough; nape with a slightly developed longitudinal ridge in the midline; longitudinal scales 22-23; head ground color and body bright yellow, with iris vivid yellow, 3 deep purple oblique lines margined by pink when fresh .: fusiform / normal.

🌀 Behaviour

Behavioural data for Kudo'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; demersal; depth range 27 - 45 m . Temperate Northwest Pacific: Japan.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic

📐 Morphometrics

Length–Weight Relationship: W = 0.01023 × L3.01 (TL)
Max TL
2.5cm
Dorsal Spines
7
Dorsal Rays
10
Anal Spines
1
Anal Rays
9
Vertebrae
26

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
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, 2008

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