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🌊 Marine Least Concern 🌡️ Tropical

Cortez brotula

Ogilbia davidsmithi Møller, Schwarzhans & Nielsen, 2005
Max Length
9.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
0–30 m
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Collected over sand, weed, and coral or rocky bottom; including tide pools. A 55 mm SL female (USNM 322029) specimen contained about 150 eggs about 0.5 mm in diameter and 19 embryos, 6-8 mm TL, with two rows of 9-11 small pigment spots along dorsal and anal fin bases .

Scientific Name
Ogilbia davidsmithi
Authority
Møller, Schwarzhans & Nielsen, 2005
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
9.9 cm
Depth Range
0–30 m
Trophic Level
3.4
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 66 - 76; Anal soft rays: 50 - 61; Vertebrae: 40 - 44. The species is distinguished by the following: vertebrae 10-13 + 29-32 = 40-44, dorsal fin rays 66-76, anal fin rays 50-61, outer pseudoclasper spinelike with two distinct supporters, anterior being 1/2 length of posterior, posterior extruding; inner pseudoclasper slender consisting mainly of supporter which is about length of anterior supporter of outer pseudoclasper, directed backward; penis with abrupt change from a thick base to a thin outer part; opercular spine with a single, sharp tip; narrow scale patch on cheeks with 5-10 vertical scale rows; otolith very slender (length: height ratio 2.4-2.6); posterior mandibular pores are large .

🌀 Behaviour

Behavioural data for Cortez brotula 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 0 - 30 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
9.9cm
Dorsal Rays
71
Anal Rays
56
Vertebrae
42

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2008

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.4
Predator
Climate Zone
Tropical
Described By
Møller, Schwarzhans & Nielsen, 2005

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