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🌊 Marine Least Concern 🌡️ Temperate

Spotted robust triplefin

Forsterygion capito Jenyns, 1842
Max Length
9.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
0–12 m
Climate
Temperate
Resilience
High
Vulnerability
18.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Facultative air-breathing in the genus ; Adults are found on sheltered coastal reefs and rock and shell substrata in bays and harbors; from intertidal pools to at least 12m . They feed on small benthic organisms. Prey is stalked and swallowed whole . Eggs are hemispherical and covered with numerous sticky threads that anchor them in the algae on the nesting sites . Larvae are planktonic which occur primarily in shallow, nearshore waters .

Scientific Name
Forsterygion capito
Authority
Jenyns, 1842
Habitat
Marine
Climate
Temperate
Body Shape
Elongated
IUCN Status
LC
Max Length
9.4 cm
Depth Range
0–12 m
Trophic Level
3.3
Resilience
High
Vulnerability
18.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 23 - 28; Dorsal soft rays (total): 13 - 15; Anal spines: 1 - 2; Anal soft rays: 24 - 27; Vertebrae: 43 - 45. Sloping snout profile, concave or (rarely) steep. Line from tip of premaxilla continued beyond ventral margin of orbit crossing preoperculum or touching its dorsal extremity. No groove in front of first dorsal fin, although medial sensory pore sits at base of depression; nape naked or with superficial or embedded cycloid scales. Dorsal fin formula V-0N-0-1-0-1(35). Nine procurrent rays in upper lobe, seven in lower lobe; in upper caudal lobe, one large ray between upper lobe and posterior epural, six rays opposite epurals, one ray opposite neural spine of third preural vertebra, one ray anterior to neural spine of third preural vertebra; in lower caudal lobe, six rays opposite haemal spine of second preural vertebra, one ray opposite haemal spine of third preural vertebra .: elongated.

🌀 Behaviour

Behavioural data for Spotted robust triplefin is currently being reviewed.

🦐 Diet

Diet information for Spotted robust triplefin is currently being compiled.

🥚 Reproduction

Reproduction data for Spotted robust triplefin is currently being compiled.

🌍 Habitat & Distribution

Marine; demersal; depth range 0 - 12 m . Temperate Southwest Pacific: throughout New Zealand, excluding Three Kings Islands.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.3
Food Items

small benthic organisms

📐 Morphometrics

Length–Weight Relationship: W = 0.00617 × L3.03 (TL)
Max TL
9.4cm
Dorsal Spines
26
Dorsal Rays
14
Anal Spines
2
Anal Rays
26
Vertebrae
44

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2010

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
18.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Temperate
Described By
Jenyns, 1842

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