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Diadromous Least Concern 🌡️ Tropical

Bald glassy

Ambassis gymnocephalus Lacepède, 1802
Max Length
16 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
12.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Fairly common in marine and fresh waters ; found in shallow waters; common in estuaries; may enter lower reaches of rivers. Can tolerate fresh water only within a narrow temperature (23-26°C). Feeds mainly at night on crustaceans, but also takes small fishes, fish eggs and larvae in estuaries . Marketed dried, salted and fresh.

Scientific Name
Ambassis gymnocephalus
Authority
Lacepède, 1802
Habitat
Diadromous
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
16 cm
Trophic Level
3.9
Resilience
High
Vulnerability
12.00/100
Migration
Amphidromous
Water Temp
22–28 °C
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7 - 8; Dorsal soft rays (total): 8 - 10; Anal spines: 3; Anal soft rays: 8 - 10. : fusiform / normal; Cross section: oval.

🌀 Behaviour

Behavioural data for Bald glassy is currently being reviewed.

🦐 Diet

Diet information for Bald glassy is currently being compiled.

🥚 Reproduction

Reproduction data for Bald glassy is currently being compiled.

🌍 Habitat & Distribution

Marine; freshwater; brackish; demersal; pH range: 7.2 - 8.2; amphidromous . Tropical; 22°C - 28°C West Pacific: South and East Africa, including Mauritius, Réunion, Madagascar and Seychelles, to Philippines, north to India, south to northern Australia (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Migration
Amphidromous
Trophic Level
3.9±0.56

📐 Morphometrics

Length–Weight Relationship: W = 0.01259 × L3.02 (TL)
Max TL
16cm
Dorsal Spines
8
Dorsal Rays
9
Anal Spines
3
Anal Rays
9

🌡️ Water Parameters & Tolerance

Temperature Range
22–28°C
pH Range
7.2–8.2
Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
12.00/100
Low vulnerability
Trophic Level
3.9
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Lacepède, 1802

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Ambassis denticulata Klunzinger 1870 Synonym
Apogon roseus Fischer 1885 Synonym
Chanda gymnocephalus Lacepède 1802 Synonym
Chanda gymnochephalus Lacepède 1802 Synonym
Lutjanus gymnocephalus Lacepède 1802 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 8 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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