Sixfinger threadfin
📖 Overview
This schooling species occurs along sandy and rocky shorelines and over sandy lagoon bottoms, often in zones of turbulence . Benthopelagic . Often encountered in river mouths or brackish mangrove estuaries. Feeds mainly on crustaceans (shrimps and crabs), polychaete worms, other benthic invertebrates; also on teleosts . A lunar spawning rhythm occurs close to shore . Sexual maturity in males occurs at 12 to 15 cm . Subsequently undergoes sex reversal passing through a hermaphroditic stage, and become female between 18 and 24 cm . The potential of this species for aquaculture has been studied .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 9; Dorsal soft rays (total): 13; Anal spines: 3; Anal soft rays: 11. Body uniformly golden silver; occasionally with several faint dark stripes along longitudinal scale rows above and below lateral line. Pectoral filaments 6 with tip of uppermost filament reaching to or slightly beyond level of posterior tip of upper part of pectoral fin .: short and / or deep; Cross section: compressed.
🌀 Behaviour
Behavioural data for Sixfinger threadfin is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; freshwater; brackish; reef-associated; depth range 1 - 50 m , usually 20 - 50 m . Tropical; 34°N - 23°S, 50°E - 148°W north to the Ryukyu, Ogasawara and Yaeyama islands and east to the Hawaiian Islands, French Polynesia and Pitcairn.
🌿 Ecology
crustaceans (shrimps and crabs), polychaete worms, other benthic invertebrates; also on teleosts (Re
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🎣 Angling Guide
- medium-heavy 7ft spinning rod
- 30-50 lb braid
- fluorocarbon leader
- grass flats
- oyster bars
- marsh drains
- deeper channel edges
Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.
⚠️ Slot limits protect breeding-size fish. Verify daily bag limits.
🍽️ Edibility & Flavour
⚡ Nutrition
Per 100g cooked - Source: USDA FoodData Central
| Nutrient | Amount |
|---|---|
| Protein | 19.8 g |
| Omega-3 (total) | 111 mg |
🔬 Mercury Safety
Mercury data for Sixfinger threadfin 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 |
|---|---|---|---|
| - | - | - |
🔍 Similar Species
👥 Community & Contribute
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