Yellow-jaw threadfin bream
📖 Overview
Yellow-jaw threadfin bream (Nemipterus flavomandibularis), first described by Russell & Tweddle, 2013 is a medium-sized fish in the family Nemipteridae (order Perciformes). Adults typically reach 20.50 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 57 to 276 metres. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Data Deficient.The species is important as a food fish. As a member of the Nemipteridae, it shares life-history and morphological traits with its relatives in the group.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 7. This species is distinguished by the following characters: body moderately elongate, its depth 3.2-3.6 in SL; head length (HL) about equal to its body depth, 1.0-1.1 in HL; eye diameter a little less than snout length, 1.2 in snout; the lower margin of eye well above a line from tip of snout to upper pectoral fin base; suborbital is moderately deep, the lower edge emarginate, least depth 1.0-1.5 in eye diameter; imaginary line extended upward from posterior edge of suborbital reaching dorsal profile about 2 scale rows before origin of dorsal fin; pectoral fins are moderately long, reaching to about level of the vent; pelvic fins are very long, reaching to between level of vent and origin of the anal fin; upper lobe of caudal fin rounded and slightly longer than lower, but not produced; scale rows below lateral line more or less horizontal; maxillary reaching to between level of posterior nostril and anterior margin of the eye. Colouration: body pinkish-mauve; snout with two narrow yellow bands, the uppermost from anterior margin of eye through nostrils, the lower band from just in front of lower margin of eye to anterior edge of suborbital; upper lip is narrowly edged with yellow while the lower lip and chin beneath lip are yellow, this colour extending as narrow band posteriorly to lower margin of opercle .Cross section: compressed.
🌀 Behaviour
Behavioural data for Yellow-jaw threadfin bream is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; demersal; depth range 57 - 276 m . Tropical Indian Ocean: northern part of the Mascarene Plateau, from Seychelles Bank and Saya de Malha Bank.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Nemipterus Flavomandibularis is an edible species."
- Clear, bright eyes — cloudy eyes indicate age
- Firm flesh that springs back when pressed
- Fresh ocean smell, never strong or ammonia-like
- Bright red or pink gills, not grey or brown
- Shiny, moist skin with scales tightly attached
- Cloudy or sunken eyes
- Strong fishy or ammonia odour
- Soft, mushy flesh that doesn't spring back
- Discoloured or dry flesh
⚡ Nutrition
Detailed nutritional data for Yellow-jaw threadfin bream is currently being compiled from USDA FoodData Central.
🔬 Mercury Safety
Mercury data for Yellow-jaw threadfin bream has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🔬 Full Nutritional Profile
Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (generic fish average)
📊 Population Dynamics
| Year | Region | Index | Notes |
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🔍 Similar Species
👥 Community & Contribute
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