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🌊 Marine 🌡️ Tropical

Convex sweeper

Pempheris convexa Randall & Victor, 2014
Max Length
11.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
1–10 m
Climate
Tropical
Resilience
High
Vulnerability
23.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Occupies different habitats, where 3 individuals were taken from 3 different areas a coral reef, a rock wall in a small boat harbor, or from a large surge channel which is fully exposed to the open sea .

Scientific Name
Pempheris convexa
Authority
Randall & Victor, 2014
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
Max Length
11.8 cm
Depth Range
1–10 m
Trophic Level
3.4
Resilience
High
Vulnerability
23.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 6; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 39 - 40; Vertebrae: 25. This species is distinguished by the following characters: D VI,9; A III,39-40; pectoral rays 17-19; lateral-line scales 52-56; ctenoid scales on side of chest, nape, and body below dorsal fin to the scale row above lateral line; scaled caudal fin on about basal fourth; gill rakers 29-31; body depth 2.0-2.1 in SL; head length 3.3-3.4 in SL; dorsal profile of head strongly convex; relatively small eye, orbit diameter 8.0-8.5 in SL; caudal-fin length 3.65-3.85 in SL, moderately emarginate, with caudal concavity 3.65-4.1 in head length; pectoral-fin length 3.3-3.4 in SL; color in alcohol yellowish to orangish brown; dorsal fin with brownish yellow rays, translucent yellow membranes, and a large blackish spot distally on posterior spines and anterior soft rays; anal fin with basal fourth dark reddish brown, a broad brownish yellow zone, and a narrow whitish border, except fin anterior to about fifth soft ray darker brown; caudal fin brown on scaled basal part, brownish yellow distally; paired fins brownish yellow; dark bluish gray iris with brown pupil .: short and / or deep.

🌀 Behaviour

Behavioural data for Convex sweeper 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; depth range 1 - 10 m . Tropical Indian Ocean: Oman (Arabian Sea) and the Maldives.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.0138 × L3.02 (TL)
Max TL
11.8cm
Dorsal Spines
6
Dorsal Rays
9
Anal Spines
3
Anal Rays
40
Vertebrae
25

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
23.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Randall & Victor, 2014

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