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🌊 Marine Least Concern 🐠 Aquarium 🌡️ Tropical

Brownboy goby

Bathygobius laddi Fowler, 1931
Max Length
5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Brownboy goby (Bathygobius laddi), first described by Fowler, 1931 is a small fish in the family Gobiidae (order Gobiiformes). Adults typically reach 5.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Gobiidae kept in the hobby.

Scientific Name
Bathygobius laddi
Authority
Fowler, 1931
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
5 cm
Trophic Level
3.3
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 8. Males uniformly dark brown; fins dusky to black . Females light brown with crossbars on body; caudal base with dark bar; dorsal and caudal fins mottled, other fins clear ; characterized further by having upper 5-6 pectoral rays partly free of membrane; rounded caudal fin; longitudinal scale series 28-32; predorsal scales 9-13, not reaching rear margin of preopercle; cheek, opercle, pectoral fin base and prepelvic area without scales; ctenoid body scales, becoming cycloid on head and anterior body (short distance anterior to first dorsal fin); depressed head, width greater than depth; depth of body 4.6-5.9 in SL .: elongated.

🌀 Behaviour

Behavioural data for Brownboy 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; reef-associated. Tropical West Pacific and Southeast Atlantic.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.3±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.09 (TL)
Max TL
5cm
Dorsal Spines
7
Dorsal Rays
9
Anal Spines
1
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Fowler, 1931

🌐 Names & Taxonomy

Language Common Names
🇬🇧English brownboy goby · Ladd's Frillgoby
🇯🇵Japanese Yamikumohaze · ヤミクモハゼ
🇵🇹Portuguese Góbio-de-Ladd
🇨🇳Chinese 萊氏深鰕虎 · 萊氏深鰕虎魚

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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