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Diadromous Least Concern 🌡️ Tropical

Guiana longfin herring

Odontognathus mucronatus Lacepède, 1800
Max Length
22 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
31.00/100
Typical Length
12 cm
Depth Zone
pelagic

📖 Overview

Occurs inshore, off river mouths, in estuaries, and some distance up rivers in freshwater (e.g., up Coppename River near Wilhelmina Mts, Suriname). Found over sand and mud bottom . Possibly spawns in rivers. Utilized as a food fish at some localities .

Scientific Name
Odontognathus mucronatus
Authority
Lacepède, 1800
Habitat
Diadromous
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
22 cm
Latitude
26°S – 12°N
Trophic Level
3.5
Resilience
Medium
Vulnerability
31.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 70 - 85. Belly with a keel of scutes, but interrupted below pectoral fin base; scutes 7 or 8, then a gap, followed by 10 to 13, the outer edges of scutes smooth and not serrated. Upper jaw broad at midpoint, tapering posteriorly, the tip reaching or surpassing gill opening; no hypo-maxilla. Pectoral fins large; dorsal fin very small, set far back on body; anal fin long . Sides of head silvery .: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Guiana longfin herring is currently being reviewed.

🦐 Diet

Diet information for Guiana longfin herring is currently being compiled.

🥚 Reproduction

Reproduction data for Guiana longfin herring is currently being compiled.

🌍 Habitat & Distribution

Marine; freshwater; brackish; pelagic-neritic; depth range ? - 40 m . Tropical; 12°N - 26°S, 64°W - 33°W south to about Rio de Janeiro.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish 🐟 Pelagic
Trophic Level
3.5±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.04 (TL)
Max TL
22cm
Anal Rays
78

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
31.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Elongated
Climate Zone
Tropical
Latitude Range
12°N – 26°S
Described By
Lacepède, 1800

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Gnathobolus aculeatus Schinz 1822 Heterotypic
Odontognathus aculeatus Schinz 1822 Synonym
Odontognathus micronatus Lacepède 1800 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 76 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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