New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Least Concern 🌡️ Subtropical

Yellow bobo

Polydactylus opercularis Gill, 1863
Max Length
50 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
10–60 m
Climate
Subtropical
Resilience
High
Vulnerability
28.00/100
Typical Length
25 cm
Depth Zone
demersal

📖 Overview

Inhabits coastal waters and estuaries, on sand and mud bottom . Also found along sandy beaches . Esteemed food fish in the tropical eastern Pacific .

Scientific Name
Polydactylus opercularis
Authority
Gill, 1863
Habitat
Marine
Climate
Subtropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
50 cm
Depth Range
10–60 m
Latitude
7°S – 34°N
Trophic Level
3.3
Resilience
High
Vulnerability
28.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 9; Dorsal soft rays (total): 11 - 13; Anal spines: 3; Anal soft rays: 12 - 14. Body and fins yellowish; no stripes or spots. Anterior parts of lower jaw with villiform teeth extending onto lateral surface, adjacent part of lip poorly developed in large specimens. Vomerine teeth present. Maxilla covered with small deciduous scales. Pectoral filaments 9. Lateral line unbranched, extending to upper end of caudal fin lobe. Swim bladder absent .: fusiform / normal.

🌀 Behaviour

Behavioural data for Yellow bobo is currently being reviewed.

🦐 Diet

Diet information for Yellow bobo is currently being compiled.

🥚 Reproduction

Reproduction data for Yellow bobo is currently being compiled.

🌍 Habitat & Distribution

Marine; demersal; depth range 10 - 60 m . Subtropical; 34°N - 7°S, 118°W - 77°W north of Baja California, Mexico.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.3±0.51

📐 Morphometrics

Length–Weight Relationship: W = 0.00661 × L3.07 (TL)
Max TL
50cm
Dorsal Spines
9
Dorsal Rays
12
Anal Spines
3
Anal Rays
13

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2007

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
28.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Latitude Range
34°N – 7°S
Described By
Gill, 1863

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Polynemus melanopoma Günther 1864 Synonym
Polynemus opercularis Gill 1863 Synonym
Trichidion opercularis Gill 1863 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 16 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Yellow bobo ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.