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💧 Freshwater 🌡️ Tropical

Gerres Mozambiquensis

Gerres mozambiquensis Iwatsuki & Heemstra, 2007
Max Length
11.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
15.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Currently only known from the type locality; no details available on whether habitat is freshwater or brackish .

Scientific Name
Gerres mozambiquensis
Authority
Iwatsuki & Heemstra, 2007
Habitat
Freshwater
Climate
Tropical
Max Length
11.9 cm
Trophic Level
3.3
Resilience
High
Vulnerability
15.00/100

🐟 Physical Description

Dorsal spines (total): 9; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 7. Diagnosis: A species of Gerres with the following combination of characters: body depth 46-47% of standard length, distinctly more than head length; dorsal fin with 9 spines and 10 soft rays; anal fin with 3 spines and 7 soft rays; pored lateral-line scales 43-44; 4-4.5 scales between fifth dorsal-fin spine base and lateral line; 5.5-6.5 scales above lateral line, 9.5-10.5 below; scales on dorsum of head extend to or slightly beyond vertical at front edge of orbit, without two converging rows of minute scales within larger scales, premaxillary groove at front of interorbital area not scaly; gill rakers on first gill arch 12-13; second dorsal-fin spine longest, its length about twice orbit diameter; second anal-fin spine robust, ratio of greatest width of second spine to greatest width of third spine 1.7-1.8; margin of inter-spinous membranes of second to fifth dorsal-fin spines black; caudal fin lobes short, length of upper lobe equal to head length; body with six to eight indistinct dark vertical bars, bar width about half pupil diameter; supraneural bones three .

🌀 Behaviour

Behavioural data for Gerres Mozambiquensis is currently being reviewed.

🦐 Diet

Diet information for Gerres Mozambiquensis is currently being compiled.

🥚 Reproduction

Reproduction data for Gerres Mozambiquensis is currently being compiled.

🌍 Habitat & Distribution

Freshwater; brackish; pelagic. Tropical known from the Larde Estuary in Mozambique (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater 🌿 Brackish 🐟 Pelagic
Trophic Level
3.3±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.01413 × L3.04 (TL)
Max TL
11.9cm
Dorsal Spines
9
Dorsal Rays
10
Anal Spines
3
Anal Rays
7

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Tropical
Described By
Iwatsuki & Heemstra, 2007

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