Forktail blenny
📖 Overview
Adults are found solitary or in pairs in lagoon and seaward reefs below the surge zone to 30 m depth . A common species, often seen along slopes and drop-offs, adults sometimes in small groups . Feed on zooplankton and also on small benthic invertebrates. Inoffensive, but immune from predation . Oviparous. Eggs are demersal and adhesive , and are attached to the substrate via a filamentous, adhesive pad or pedestal . Larvae are planktonic, often found in shallow, coastal waters . Mimicked by Ecsenius bicolor and Plagiotremus laudanus .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 4; Dorsal soft rays (total): 25 - 28; Anal spines: 2; Anal soft rays: 15 - 18. Identified by the blue-edged diagonal black line from the eye and yellow dorsal fin or back. Adults have long filaments on the caudal fin tips; length without filaments .: elongated.
🌀 Behaviour
Behavioural data for Forktail blenny is currently being reviewed.
🦐 Diet
🥚 Reproduction
Oviparous, distinct pairing .
🌍 Habitat & Distribution
Marine; reef-associated; depth range 0 - 30 m . Tropical; 30°N - 24°S east to Samoa, north to Ryukyu Islands, south to Rowley Shoals, the southern Great Barrier Reef, and New Caledonia; throughout Micronesia.
🌿 Ecology
zooplankton and also on small benthic invertebrates
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
⚠️ Venom Profile
- immediate intense pain
- swelling
- erythema
- occasional nausea and weakness
Analgesia; wound care; tetanus prophylaxis; severe cases may require monitoring for systemic effects.
References: Compiled from Bhide (2018), Halstead et al. (1988) and family-specific envenomation literature
🍽️ Edibility & Flavour
"Forktail blenny 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 | 18.4 g |
| Omega-3 (total) | 104 mg |
🔬 Mercury Safety
Mercury data for Forktail blenny 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 |
|---|---|---|---|
| - | - | - |
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Meiacanthus atrodorsalis atrodorsalis | Günther | 1877 | Synonym |
| Petroscirtes atrodorsalis | Günther | 1877 | Synonym |
| Petroscirtes herlihyi | Fowler | 1946 | Synonym |
🦠 Common Diseases
The following diseases are known to affect Forktail blenny.
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 11 records indexed .
👥 Community & Contribute
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