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🌊 Marine Data Deficient 🐠 Aquarium 🌡️ Tropical

Brahm's dwarfgoby

Eviota brahmi Greenfield & Tornabene, 2014
Max Length
1.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
0–20 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Brahm's dwarfgoby (Eviota brahmi), first described by Greenfield & Tornabene, 2014 is a tiny fish in the family Gobiidae (order Gobiiformes). Adults typically reach 1.70 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 0 to 20 metres. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Data Deficient.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Gobiidae kept in the hobby.

Scientific Name
Eviota brahmi
Authority
Greenfield & Tornabene, 2014
Habitat
Marine
Climate
Tropical
IUCN Status
DD
Max Length
1.7 cm
Depth Range
0–20 m
Trophic Level
3
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 9 - 11; Anal spines: 1; Anal soft rays: 8 - 10. This species is distinguished from its congeners by the following characters: entire lower body with a red stripe, from the eye back to caudal-fin base where it grades into black ending in a dorsally asymmetrical spot that angles sharply towards the ventral portion of the caudal fin; pectoral-fin base with line of small black dots extending down to its base, the upper half are larger and more intense, the ones on the lower half smaller, less intense, and expanded across lower part of the base; cephalic sensory pore system lacking the PITO and IT pores and the AITO pore is enlarged; usually 10/9 dorsal/anal fin-ray formula; simple pectoral-fin rays; in both sexes the spinous dorsal-fin elongate or filamentous; genital papilla nonfimbriate. In life, the ventral red stripe is bordered dorsally by a bright white stripe that runs from the top of the head back to the caudal fin where it curves down following the angled black spot; the eye without a narrow white line on the iris above the pupil; a wide white line extends up the interorbital area, the width of the line extending from eye to eye .Cross section: oval.

🌀 Behaviour

Behavioural data for Brahm's dwarfgoby 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; reef-associated; depth range 0 - 20 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00692 × L3.09 (TL)
Max TL
1.7cm
Dorsal Spines
7
Dorsal Rays
10
Anal Spines
1
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3
Predator
Climate Zone
Tropical
Described By
Greenfield & Tornabene, 2014

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