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🌊 Marine Data Deficient 🌡️ Tropical

Twin-spotted frillfin

Bathygobius geminatus Tornabene, Baldwin & Pezold, 2010
Max Length
3.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Specimens collected in Florida were along the rocky and sandy shorelines with seagrass in a sheltered bay, taken along with B. soporator. A single specimen was collected in Puerto Rico on a sheltered rock and pebble shoreline near the mouth of an irrigation canal, along with B. soporator, B. lacertus and a single specimen of B. antilliensis. GenBank accession number for Col sequence of holotype: HM748368 .

Scientific Name
Bathygobius geminatus
Authority
Tornabene, Baldwin & Pezold, 2010
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
3.8 cm
Trophic Level
3.3
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 8. This species is distinguished by the following characters: 17-18 pectoral rays; 36-38 (modally 37) lateral scale rows; upper jaw length 10.3-10.7% SL; anterior extent of predorsal squamation reaching anteriorly to vertical through posterior margin of preopercle, with a few scales sometimes extending slightly beyond this point; with 2-3 dark blotches on each element of first dorsal fin giving appearance of 2-3 longitudinal stripes across fin; lower body with 2 rows of dark spots, spots in 2 rows directly above one another, beginning immediately behind pectoral fin base and terminating just anterior to dark blotch at base of caudal fin; upper and lower spots more distinctly separate from one another anteriorly, becoming closer to one another and loosely connected posteriorly; arrangement of spots appearing as 6 to 7 sets of vertically paired spots often forming '=' shaped markings along ventral portion of trunk .: elongated.

🌀 Behaviour

Behavioural data for Twin-spotted frillfin is currently being reviewed.

🦐 Diet

Diet information for Twin-spotted frillfin is currently being compiled.

🥚 Reproduction

Reproduction data for Twin-spotted frillfin is currently being compiled.

🌍 Habitat & Distribution

Marine; benthopelagic. Tropical

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.3±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.09 (TL)
Max TL
3.8cm
Dorsal Spines
7
Dorsal Rays
9
Anal Spines
1
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2011

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Tornabene, Baldwin & Pezold, 2010

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