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🌊 Marine Least Concern 🌡️ Tropical

New Grenada drum

Protosciaena trewavasae Chao & Miller, 1975
Max Length
20 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
70–220 m
Climate
Tropical
Resilience
High
Vulnerability
18.00/100
Typical Length
16 cm
Depth Zone
demersal

📖 Overview

New Grenada drum (Protosciaena trewavasae), first described by Chao & Miller, 1975 is a medium-sized fish in the family Sciaenidae (order Perciformes). Adults typically reach 20.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 70 to 220 metres. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Protosciaena trewavasae
Authority
Chao & Miller, 1975
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
20 cm
Depth Range
70–220 m
Trophic Level
3.5
Resilience
High
Vulnerability
18.00/100
Salinity
30–40 ppt

🐟 Physical Description

: fusiform / normal.

🌀 Behaviour

Behavioural data for New Grenada drum 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; demersal; depth range 70 - 220 m . Tropical Central Atlantic: western Colombia to central Venezuela.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.5±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00871 × L3.07 (TL)
Max TL
20cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
18.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Chao & Miller, 1975

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Sciaena trewavasae Chao & Miller 1975 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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