Blue gudgeon
📖 Overview
Adults inhabit lagoon and seaward reefs, over rubble and sand bottoms . They are found from shallow silty estuaries and inlets to outer reef lagoons to about 10 meters depth, but may also be seen deep on coastal slopes to 25 meters depth . They occur in pairs occupying the same burrow, but at times more than 2 individuals will retreat to the same refuge (particularly true for juveniles). Monogamous . Adults feed on zooplanktons .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 7; Dorsal soft rays (total): 25 - 29; Anal spines: 1; Anal soft rays: 24 - 27; Vertebrae: 26 - 27. Pale to bluish gray in color; pectoral fin base with a narrow, pale blue-edged, black band; postorbital head with irregular, pale to iridescent blue bands and spots. Chin with a median, fleshy protuberance narrowing to a thin fold. Scales embedded, close-set, non imbricate (except on posterior part). 1st dorsal fin lower than 2nd; 2nd dorsal and anal fins elevated anteriorly. Closely resembles P. heteropterus but lacks the blue mark on the tail .: elongated; Cross section: compressed.
🌀 Behaviour
Behavioural data for Blue gudgeon is currently being reviewed.
🦐 Diet
Diet information for Blue gudgeon is currently being compiled.
🥚 Reproduction
Monogamous mating is observed as both obligate and social .
🌍 Habitat & Distribution
Marine; reef-associated; non-migratory ; depth range 1 - 50 m , usually 1 - 10 m . Tropical; 22°C - 27°C ; 30°N - 30°S north to the Ryukyu Islands, south to the southern Great Barrier Reef.
🌿 Ecology
zooplanktons (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Blue gudgeon 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 | 18.1 g |
| Omega-3 (total) | 98 mg |
🔬 Mercury Safety
Mercury data for Blue gudgeon has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Green Goby · Green silk gudgeon · Green-eye Dart-goby · Green-eyed Dart-goby · Green-eyed Goby · Greeneye Dartgoby · Long-finned Gudgeon · Pale Dartfish · Pearly Dartfish · Smallscale Sleeper · blue gudgeon · smallscale hover goby · Smallscale Hovergoby |
| 🌍CES | hlaváčovec zelenooký |
| 🇫🇷French | Poisson-fléchette nacré |
| 🇯🇵Japanese | Itoman-kuroyurihaze · Itomankuroyurihaze · イトマンクロユリハゼ |
| 🌍MSA | Gobi-busur biru · Roket asli-apollo |
| 🇵🇹Portuguese | Peixe-dardo-perolado |
| 🌍SMO | Ma'ulu |
| 🌍THA | ปลาบู่ลูกดอก |
| 🇨🇳Chinese | 細鱗凹尾塘鱧 |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Eleotris elongata | Alleyne & Macleay | 1877 | Synonym |
| Eleotris microlepis | Bleeker | 1856 | Synonym |
| Gracileotris bockensis | Herre | 1953 | Synonym |
| Ptereleotris andamensis | Herre | 1939 | Synonym |
| Ptereleotris letholepis | Clark | 1938 | Synonym |
| Ptereleotris microlepis itomanensis | Aoyagi | 1949 | Synonym |
| Ptereleotris playfairi | Whitley | 1933 | Synonym |
| Pteroeleotris microlepis | Bleeker | 1856 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) — 3 records indexed .
👥 Community & Contribute
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