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Diadromous Vulnerable 🌡️ Tropical

Toli shad

Tenualosa toli Valenciennes, 1847
Max Length
60 cm
Max Weight
-
Lifespan
2 yrs
Trophic Level
2.5
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
27.00/100
Typical Length
40 cm
Depth Zone
pelagic

📖 Overview

Inhabits fast-flowing, turbid estuaries and adjacent coastal waters . Schooling in coastal waters, euryhaline and perhaps anadromous, ascending rivers to breed (but in some areas fishery workers claim that it does not). A protandrous hermaphrodite . Presumably its biology is similar to that of T. ilisha, but the fewer gill rakers suggest that it takes larger food organisms. Reported to feed on zooplankton . More data needed especially since it is not always distinguished from T. ilisha, especially at juvenile stages. Marketed fresh or dried-salted.

Scientific Name
Tenualosa toli
Authority
Valenciennes, 1847
Habitat
Diadromous
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
VU
Max Length
60 cm
Lifespan
2 years
Latitude
7°S – 23°N
Trophic Level
2.5
Resilience
High
Vulnerability
27.00/100
Migration
Anadromous
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Anal spines: 0. Belly with 28 to 30 scutes. A distinct median notch in upper jaw, which distinguishes it from other similar clupeids, except Hilsa kelee. Gill rakers fine but not numerous, 60 to 100 on lower part of arch. Caudal fin short. At most, a dark diffuse mark behind gill opening, but no other spots on flank.: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Toli shad is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Spawning Season
May to November
Size at Maturity
29cm TL

A semelparous species, but although each individual spawns only once and then dies, the spawning season for the species as a whole lasts from May to November . A monandric species . Sex change occurs at a length of 11.0 cm TL and 1.24 years of age .

🌍 Habitat & Distribution

Marine; freshwater; brackish; pelagic-neritic; anadromous ; depth range 10 - ? m . Tropical; 23°N - 7°S, 70°E - 119°E West Pacific: India to the Java Sea and the South China Sea.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish 🐟 Pelagic
Migration
Anadromous
Trophic Level
2.5
🐠 Schooling
Food Items

zooplankton (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00955 × L3.1 (TL)
Max TL
60cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
2.5
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
23°N – 7°S
Described By
Valenciennes, 1847

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Chinese Herring · Toli shad
🌍CES placka toli
🇫🇷French alose toli
🌍GUJ Palwa
🌍MSA Terubok
🇷🇺Russian Тенуалоза-толи
🇪🇸Spanish sábalo toli
🌍TAM கருவுள்ளம்
🌍THA ปลาตะลุมพุก · Pla Talumpook
🇨🇳Chinese 托氏鰣

Scientific Synonyms

Scientific Name Author Year Status
Alausa argyrochloris Valenciennes 1847 Synonym
Alausa ctenolepis Bleeker 1852 Synonym
Alausa toli Valenciennes 1847 Synonym
Alosa argyrochloris Valenciennes 1847 Synonym
Clupea toli Valenciennes 1847 Synonym
Hilsa toli Valenciennes 1847 Synonym
Tenulalosa toil Valenciennes 1847 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 4 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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