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🌊 Marine Least Concern 🌡️ Tropical

Dark-spotted Jawfish

Opistognathus signatus Vaniz, 1997
Max Length
8.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
27–68 m
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Overview information for Dark-spotted Jawfish is currently being compiled by our editorial team.

Scientific Name
Opistognathus signatus
Authority
Vaniz, 1997
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
8.9 cm
Depth Range
27–68 m
Trophic Level
3.4
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 10 - 11; Dorsal soft rays (total): 16 - 17; Anal spines: 2 - 3; Anal soft rays: 16 - 17; Vertebrae: 29 - 30. Anterior nostril a short tube simple cirrus on posterior rim; posterior end of maxilla of adult males produced as a thin flexible lamina that usually extends beyond posterior margin of opercle; spinous dorsal fin with black spot encircled by broad whit ring; adult males with inner lining of maxilla and adjacent membranes with prominent black stripe (stripe usually absent or light brown and poorly developed in females); buccal pigmentation consisting of a large dark area widely surrounding esophageal opening, including medial area between upper pharyngeal tooth patches; caudal vertebrae 19 or 20, usually 20 .: elongated.

🌀 Behaviour

Behavioural data for Dark-spotted Jawfish is currently being reviewed.

🦐 Diet

Diet information for Dark-spotted Jawfish is currently being compiled.

🥚 Reproduction

Reproduction data for Dark-spotted Jawfish is currently being compiled.

🌍 Habitat & Distribution

Marine; demersal; depth range 27 - 68 m . Tropical Central Atlantic: Nicaragua, Panama, Colombia, and Venezuela.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.4±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
8.9cm
Dorsal Spines
11
Dorsal Rays
17
Anal Spines
3
Anal Rays
17
Vertebrae
30

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2012

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Vaniz, 1997

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Dark Spotted Jawfish · Dark-spotted Jawfish · South American Jawfish
🌍CES studnař venezuelský
🇵🇹Portuguese Bocão-caribenho
🇪🇸Spanish bocón de manchas oscuras

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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