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🌊 Marine 🌡️ Tropical

Narrow barred grubfish

Parapercis macrophthalma Pietschmann, 1911
Max Length
14 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
183–188 m
Climate
Tropical
Resilience
High
Vulnerability
21.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Narrow barred grubfish (Parapercis macrophthalma), first described by Pietschmann, 1911 is a small fish in the family Pinguipedidae (order Perciformes). Adults typically reach 14.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 183 to 188 metres. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.

Scientific Name
Parapercis macrophthalma
Authority
Pietschmann, 1911
Habitat
Marine
Climate
Tropical
Max Length
14 cm
Depth Range
183–188 m
Trophic Level
3.5
Resilience
High
Vulnerability
21.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 5; Dorsal soft rays (total): 22 - 24; Anal spines: 1; Anal soft rays: 19. This species is distinguished by the following characters: upper body with 5 vertical transverse bars, each extending laterally to lower two-thirds of body; D V, 23, with the spines becoming progressively longer posteriorly, and the last spine entirely connected to first dorsal-fin ray by membrane; A 1,19; entire body covered by ctenoid scales, except for those on chest; predorsal scales extending forward to vertical from preopercle; generally 4 pairs of canine teeth anteriorly in lower jaw; 2 rows of stout palatine teeth, those on outer row larger than inner; vomer with triangular patch of stout teeth; pelvic fin when appressed not reaching anus .Cross section: oval.

🌀 Behaviour

Behavioural data for Narrow barred grubfish 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; demersal; depth range 183 - 188 m . Tropical Northwest Pacific: Japan and Taiwan.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.5±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00692 × L3.06 (TL)
Max TL
14cm
Dorsal Spines
5
Dorsal Rays
23
Anal Spines
1
Anal Rays
19

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
21.00/100
Low vulnerability
Trophic Level
3.5
Predator
Climate Zone
Tropical
Described By
Pietschmann, 1911

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