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Diadromous Least Concern 🌡️ Subtropical

Slender glassy

Ambassis natalensis Gilchrist & Thompson, 1908
Max Length
10 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
14.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Tolerant of freshwater within a temperature range of 19-27°C . In summer, it feeds mainly in early evening and late morning while in winter, it feeds both day and night on crustaceans as well as insects (aquatic and terrestrial) and fish . Excellent subject for biological research as it easily thrives in captivity .

Scientific Name
Ambassis natalensis
Authority
Gilchrist & Thompson, 1908
Habitat
Diadromous
Climate
Subtropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
10 cm
Latitude
39°S – 13°N
Trophic Level
3.4
Resilience
High
Vulnerability
14.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 8; Dorsal soft rays (total): 9 - 11; Anal spines: 3; Anal soft rays: 9 - 11. Diagnosis: Ambassis natalensis has following combination of characters: supraorbital spines 1-4; rostral spine absent; rear margin of preopercle entirely serrate; preopercle ridge smooth except for 1-5 tiny spines at rear corner; interopercle smooth or with 1-4 tiny serrae at angle; two rows of cheek scales; predorsal scales 9-11; lateral line continuous; lower gill rakers 19-22; pectoral-fin rays 14-15; teeth on vomer and palatines in 2-3 rows .: fusiform / normal.

🌀 Behaviour

Behavioural data for Slender glassy is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Size at Maturity
3.5cm TL

🌍 Habitat & Distribution

Marine; freshwater; brackish; demersal. Subtropical; 13°N - 39°S, 19°E - 52°E East coast from KwaZulu-Natal south to Algoa Bay in South Africa (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Trophic Level
3.4±0.59

📐 Morphometrics

Length–Weight Relationship: W = 0.01413 × L3.02 (TL)
Max TL
10cm
Dorsal Spines
8
Dorsal Rays
10
Anal Spines
3
Anal Rays
10

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
14.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Latitude Range
13°N – 39°S
Described By
Gilchrist & Thompson, 1908

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Slender glassy
🌍CES okouníček štíhlý
🇫🇷French Ambache de Natal · Poisson d'argent
🇯🇵Japanese スレンダーグラスフィッシュ

Scientific Synonyms

Scientific Name Author Year Status
Ambassis safgha Forskål - Synonym
Chanda safgha Forsskål 1775 Synonym
Sciaena safgha Forsskål 1775 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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