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🌊 Marine Least Concern 🌡️ Tropical

Longtail croaker

Lonchurus lanceolatus Bloch, 1788
Max Length
30 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
25.00/100
Typical Length
22 cm
Depth Zone
demersal

📖 Overview

Found usually over sandy to muddy bottoms in coastal marine and brackish waters. Important food fish.

Scientific Name
Lonchurus lanceolatus
Authority
Bloch, 1788
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
30 cm
Trophic Level
3.5
Resilience
High
Vulnerability
25.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Lonchurus
Lonchurus
Species
Longtail croaker
Lonchurus lanceolatus

🐟 Physical Description

Dorsal spines (total): 10 - 12; Dorsal soft rays (total): 37 - 39; Anal spines: 2; Anal soft rays: 7 - 9. Body often brownish to yellowish, slightly darker above. All fins darkish, pectoral fins long and jet black. Base of pelvic and anal fins yellowish. Inside of gill cover dusky. Mouth large, but inferior, nearly horizontal. Chin with a pair of moderately long, slender barbels (longer than eye diameter). Pectoral fins very long, upper rays filamentous, extending to caudal peduncle. Pelvic fins with first soft ray filamentous, extending beyond anus. Gas bladder reduced in size, much shorter than head length; bearing anteriorly 1 pair of appendages, the first short and horn-like, the second long, tube-like, and directed backward (Ref 51721).

🌀 Behaviour

Behavioural data for Longtail croaker is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; brackish; demersal. Tropical

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish ⬇️ Benthic
Trophic Level
3.5±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00575 × L3.13 (TL)
Max TL
30cm
Dorsal Spines
11
Dorsal Rays
38
Anal Spines
2
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
25.00/100
Low vulnerability
Trophic Level
3.5
Predator
Climate Zone
Tropical
Described By
Bloch, 1788

👥 Community & Contribute

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