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🌊 Marine Least Concern 🌡️ Tropical

Zigzag pygmygoby

Trimma maiandros Hoese, Winterbottom & Reader, 2011
Max Length
2.7 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
1–55 m
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Occurs in mid to outer barrier reefs, but much more common on outer barrier islands . Also found in caves and crevices .

Scientific Name
Trimma maiandros
Authority
Hoese, Winterbottom & Reader, 2011
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
2.7 cm
Depth Range
1–55 m
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 6 - 8; Dorsal soft rays (total): 8 - 10; Anal spines: 1; Anal soft rays: 7 - 9; Vertebrae: 26. This species is characterized by the following: reduced predorsal scales, usually not crossing the midline (midline naked or partly naked); cycloid scales at sides of nape reaching to above a point between posterior margin of operculum and eyes; no scales on cheeks nor opercles; pectoral base usually fully scaled, posterodorsal 2 scales slightly enlarged; prepelvic covered with small cycloid scales in 5-6 rows; interorbital narrow, with moderate groove; groove absent or very shallow behind eyes (shallow between eyes and absent behind eyes in juveniles); a low distinct ridge at posterior end of interorbital; gill opening extending forward to below posterior margin of pupil; nape crest low from first dorsal origin to above posterior opercular margin, reaching to the shallow median groove; groove extending to just behind eyes; pectoral rays unbranched or with 1-5 rays branched at extreme tips; fifth pelvic ray unbranched, rest of rays with 2 terminal tips; D2 usually I,9; A usually I,8; pelvic fins largely separate, connected only at base; fins widely separate, distance between 2 fins greater than base of single pelvic fin; pelvic scale covering membrane, with fifth ray about one-fourth to one-half length of fourth ray; dark brown spot or bar extending posteroventrally from eye, body with irregular brown interconnecting bars, forming zigzag pattern .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Zigzag pygmygoby is currently being reviewed.

🦐 Diet

Diet information for Zigzag pygmygoby is currently being compiled.

🥚 Reproduction

Reproduction data for Zigzag pygmygoby is currently being compiled.

🌍 Habitat & Distribution

Marine; reef-associated; depth range 1 - 55 m . Tropical Indian Ocean and from Japan, Marshall and Mariana Islands to Samoa and Australia in the Pacific.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated

📐 Morphometrics

Length–Weight Relationship: W = 0.01023 × L3.01 (TL)
Max TL
2.7cm
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
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Hoese, Winterbottom & Reader, 2011

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