Bluegill longfin
📖 Overview
Adults are benthic which occur inshore . Relatively common on reef flats, searching under rocks or in crevices for small fishes and crustaceans which serve as food . Common, but hidden in holes by day. They venture out to feed on small invertebrates and fishes at night . Apparently, gastropods form an important component of the diet as indicated by X-ray radiographs . Eggs are guarded by the male parent . Aquarium breeding is possible . Minimum depth reported from Ref. 27115.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 12; Dorsal soft rays (total): 7 - 8; Anal spines: 3; Anal soft rays: 8. Coloration can vary from pale gray with black blotches and blue dots to an almost uniformly black except for the ever-present blue ocellus on the edge of its operculum. : elongated; Cross section: compressed.
🌀 Behaviour
Behavioural data for Bluegill longfin is currently being reviewed.
🦐 Diet
Diet information for Bluegill longfin is currently being compiled.
🥚 Reproduction
Eggs are guarded by the male parent .
🌍 Habitat & Distribution
Marine; reef-associated; depth range 1 - 23 m , usually 1 - 10 m . Tropical; 23°C - 27°C ; 32°N - 24°S north to southern Japan, south to the southern Great Barrier Reef and Tonga.
🌿 Ecology
small invertebrates and fishes at night (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Bluegill longfin 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
Per 100g cooked - Source: USDA FoodData Central
| Nutrient | Amount |
|---|---|
| Protein | 18.6 g |
| Omega-3 (total) | 95 mg |
🔬 Mercury Safety
Mercury data for Bluegill longfin has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Bluegill Longfin · Ocellated prettyfin · Redspined devilfish · Spotgill Longfin |
| 🌍CES | oblohlav modrožábrý |
| 🇯🇵Japanese | Donko-tanabata-uo · Donkotanabatauo · ドンコタナバタウオ |
| 🇵🇹Portuguese | Assessor-ocelado |
| 🌍THA | ปลาครีบยาวจุด |
| 🇨🇳Chinese | 七夕魚 · 珊瑚七夕魚 · 珊瑚鮗 |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .
👥 Community & Contribute
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