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🌊 Marine Least Concern 🍽️ Edible 🎣 Game Fish 🌡️ Tropical

Longtail bass

Hemanthias leptus Ginsburg, 1952
Max Length
50 cm
Max Weight
Lifespan
Trophic Level
3.7
Depth
60–300 m
Climate
Tropical
Resilience
Medium
Vulnerability
45.00/100
Typical Length
35 cm
Depth Zone
demersal

📖 Overview

Longtail bass (Hemanthias leptus) is a ray-finned fish of the family Anthiadidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 50 cm. It occurs at depths between 60 and 300 metres. With a trophic level of 3.7, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List. Commercially fished and consumed as food, valued as a sport fish.

Scientific Name
Hemanthias leptus
Authority
Ginsburg, 1952
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
50 cm
Depth Range
60–300 m
Latitude
33°S – 35°N
Trophic Level
3.7
Resilience
Medium
Vulnerability
45.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 10; Dorsal soft rays (total): 14; Anal spines: 3; Anal soft rays: 8. Pelvic fin long, its tip extending posteriorly beyond origin of anal fin; caudal fin deeply emarginate, upper lobe projecting posteriorly; body silver with a pink cast dorsally, silvery-white ventrally; a yellow line extending from snout through lower edge of eye to posterior margin of opercle; pectoral fin pink, other fins yellow .: fusiform / normal.

🌀 Behaviour

Behavioural data for Longtail bass is currently being reviewed.

🦐 Diet

Diet information for Longtail bass is currently being compiled.

🥚 Reproduction

Reproduction data for Longtail bass is currently being compiled.

🌍 Habitat & Distribution

Marine; demersal; depth range 60 - 300 m . Tropical; 35°N - 33°S, 100°W - 33°W South Carolina, USA and northern Gulf of Mexico to the Caribbean Sea; probably more widespread.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.7±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01413 × L3 (TL)
Max TL
50cm
Dorsal Spines
10
Dorsal Rays
14
Anal Spines
3
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2012

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
45.00/100
Moderate vulnerability
Trophic Level
3.7
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
35°N – 33°S
Described By
Ginsburg, 1952

🍽️ Edibility & Flavour

"Longtail bass is an edible species."

✗ Not for Raw
✓ Fresh Indicators
  • 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
✗ Avoid If
  • Cloudy or sunken eyes
  • Strong fishy or ammonia odour
  • Soft, mushy flesh that doesn't spring back
  • Discoloured or dry flesh
Best Cooking Methods
Baking Grilling Pan-frying

Nutrition

Per 100g cooked — Source: USDA FoodData Central

Nutrient Amount
Protein 17.8 g
Omega-3 (total) 280 mg

🔬 Mercury Safety

Mercury data for Longtail bass has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.

🌿 Sustainability

Best Choice
Healthy stocks, low impact
Good Alternative
Well-managed, minor concerns
Use Caution
Check sourcing and season
Avoid
Overfished or high impact

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Anthiasicus leptus Ginsburg 1952 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 14 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Longtail bass ↗
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