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🌊 Marine Least Concern 🐠 Aquarium 🌡️ Tropical

Mary's pygmygoby

Trimma burridgeae Winterbottom, 2016
Max Length
2.9 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
4–50 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

This species is apparently confined to outer reefs with vertical walls throughout the Palauan islands and is most abundant in caves and under overhangs between 20-30 m. It was collected from a huge cave (ca. 15 m wide, 4 m high) and surrounding area with sand/silt floor at 27 m, hydroids, some hard coral, sea fans, sponges and ascidians .

Scientific Name
Trimma burridgeae
Authority
Winterbottom, 2016
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
2.9 cm
Depth Range
4–50 m
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 8 - 9. This species is distinguished by the following characters: bony interorbital 80-100% pupil diameter; 11 scales in predorsal midline with the anterior few rows often cycloid in adults; the second dorsal spine reaches to between the middle and the end of the second dorsal fin or just beyond this point; usually four free neuromasts (sensory papillae) in row f on the chin and in row r on the top of the snout; usually 14 unbranched pectoral-fin rays; an unbranched fifth pelvic-fin ray that is 47-63% the length of the fourth ray; colour of freshly collected specimens red to yellow background colour with a light stripe along the mid-lateral body that continues forward over the top of the pupil, with a light stripe below the eye bordered dorsally by a narrow red stripe (both light stripes apparently blue in life), a broad diffuse internal dark stripe over the abdominal cavity which narrows and continues posteriorly on and just below the vertebral column, ending at the pale bar in front of the dark caudal blotch .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Mary'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; pelagic-neritic; depth range 4 - 50 m , usually 20 - 30 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.09 (TL)
Max TL
2.9cm
Dorsal Spines
7
Dorsal Rays
9

🌡️ 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, 2016

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