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🌊 Marine Least Concern 🐠 Aquarium 🌡️ Tropical

Shelf goby

Bollmannia eigenmannorum Garman, 1896
Max Length
14 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
36–170 m
Climate
Tropical
Resilience
High
Vulnerability
29.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Shelf goby (Bollmannia eigenmannorum) is a ray-finned fish of the family Gobiidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 14 cm. It occurs at depths between 36 and 170 metres. With a trophic level of 3.4, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Bollmannia eigenmannorum
Authority
Garman, 1896
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
14 cm
Depth Range
36–170 m
Trophic Level
3.4
Resilience
High
Vulnerability
29.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 8; Dorsal soft rays (total): 10 - 12; Anal spines: 1; Anal soft rays: 10 - 12. Distinguished by the following characteristics: typically D2 I,11; anterior spine of D1 elongated; eye diameter 6.9-10% SL; upper lip with distinct dark stripe of pigment on or directly above lip; pelvic disc lightly pigmented to pale; no distinct markings on side of body; longitudinal papillae row b originating at vertical through posterior margin of pupil . Cross section: compressed.

🌀 Behaviour

Behavioural data for Shelf goby 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 36 - 170 m . Tropical Central Atlantic: USA (Florida Keys), throughout the Gulf of Mexico, including Venezuela.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.09 (TL)
Max TL
14cm
Dorsal Spines
8
Dorsal Rays
11
Anal Spines
1
Anal Rays
11

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2010

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
29.00/100
Low vulnerability
Trophic Level
3.4
Predator
Climate Zone
Tropical
Described By
Garman, 1896

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