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🌊 Marine Least Concern 🐠 Aquarium 🌡️ Tropical

Wangunu's pygmygoby

Trimma wangunui Winterbottom & Erdmann, 2019
Max Length
2.1 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
8–50 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

This species appears to be a rare species, with seven specimens collected mostly between 10-16 m. Found living under large pieces of dead foliose coral rubble on a sandy bottom subject to moderate currents and wave action. It is apparently a solitary species, only a single specimen collected from each piece of rubble examined .

Scientific Name
Trimma wangunui
Authority
Winterbottom & Erdmann, 2019
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
2.1 cm
Depth Range
8–50 m
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 characters: scales in the predorsal midline; no scales on the cheek or opercle; elongated second spine of the first dorsal fin reaching to the bases of the 2nd-8th second dorsal-fin rays when adpressed; unbranched pectoral-fin rays; fifth pelvic-fin ray branched with a full basal membrane; when fresh, yellow bars on the head and vertically elongate yellow spots on brown body .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Wangunu'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; reef-associated; depth range 8 - 50 m , usually 10 - 16 m . Tropical Central Pacific: Papua New Guinea, Timor Leste and Philippines.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.09 (TL)
Max TL
2.1cm
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
2021

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Body Shape
Elongated
Climate Zone
Tropical
Described By
Winterbottom & Erdmann, 2019

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