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🌊 Marine Data Deficient 🌡️ Tropical

Pervagor Marginalis

Pervagor marginalis Hutchins, 1986
Max Length
6.2 cm
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
12.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Pervagor Marginalis (Pervagor marginalis) is a ray-finned fish of the family Monacanthidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 6.2 cm. With a trophic level of 2.9, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Pervagor marginalis
Authority
Hutchins, 1986
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
DD
Max Length
6.2 cm
Trophic Level
2.9
Resilience
High
Vulnerability
12.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 1; Dorsal soft rays (total): 30 - 32; Anal spines: 0; Anal soft rays: 27 - 29; Vertebrae: 19. Head and body grayish brown when fresh; iris brown; caudal fin orange with black posterior margin; spinous dorsal fin dark brown. Usually a broad and blackish bar passing from nape, through eye, to pectoral base. Large pelvic rudiment not broadly attached to posterior margin of ventral flap. 1 - 5 spinules on midbody scales, middle spinule longest; scale spinules on posterior half of body becoming progressively more elongate, extremities of those on caudal peduncle of male curving forward; male with scale rugosities developing at about 50 mm SL: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Pervagor Marginalis 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. Tropical Central Pacific: found only at the Marquesas and Line islands.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
2.9±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.0195 × L2.93 (TL)
Max TL
6.2cm
Dorsal Spines
1
Dorsal Rays
31
Anal Rays
28
Vertebrae
19

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
12.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Hutchins, 1986

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