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💧 Freshwater 🌡️ Tropical

Nandus Meni

Nandus meni Hossain & Sarker, 2013
Max Length
13.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

This species lives in the freshwater ecosystem of Noakhali and is widely distributed in ponds, ditches, canals, flooded rice fields, swamps, marshes, waterlogged areas and rivers. A very tenacious species that can live in foul water and a surface dweller that consumes insects, algae and small fish. Breeding period varies from April to September. During the study period, the physicochemical parameters were recorded as follows: water temperature 18-28 °C, pH 6.5-7.5, dissolved oxygen 4.5-5.0 mg/l and transparency 45-60 cm for a water body 1.0-1.8 m deep. In the study area, it represents 15-20% of the total Nandus catch .

Scientific Name
Nandus meni
Authority
Hossain & Sarker, 2013
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
Max Length
13.5 cm
Trophic Level
3.4
Vulnerability
10.00/100
Water Temp
18–28 °C

🐟 Physical Description

Dorsal spines (total): 13; Dorsal soft rays (total): 11 - 13; Anal spines: 3; Anal soft rays: 7 - 18. This species is distinguished by the following characters: TL 114.1-142.4 mm, SL 94.1-117.3 mm, body depth at anus 29.0-32.9% of SL, head length (HL) 39.6-42.2% of SL; dark spot on the caudal peduncle; concave ventral portion of the body; gill arch V-shape; body colour , greenish; pectoral fin rays 9-11; snout length 24.5-33.1% of HL; eye diameter 18.1-20.4% of HL; differs from its congeners in body colour, smaller eyes, a concave ventral body, a V-shaped gill arch and a dark spot on the caudal peduncle .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Nandus Meni is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; brackish; pelagic; pH range: 6.5 - 7.5. Tropical; 18°C - 28°C

🌿 Ecology

Zone Preferences
💧 Freshwater 🌿 Brackish 🐟 Pelagic
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01175 × L3.12 (TL)
Max TL
13.5cm
Dorsal Spines
13
Dorsal Rays
12
Anal Spines
3
Anal Rays
13

🌡️ Water Parameters & Tolerance

Temperature Range
18–28°C
pH Range
6.5–7.5

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Hossain & Sarker, 2013

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