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🌊 Marine Least Concern 🐠 Aquarium 🌡️ Tropical

Wagtail Goby

Callogobius falx Fujiwara, Suzuki & Motomura, 2021
Max Length
2.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
12–22 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Wagtail Goby (Callogobius falx) 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 2.3 cm. It occurs at depths between 12 and 22 metres. With a trophic level of 3.1, 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
Callogobius falx
Authority
Fujiwara, Suzuki & Motomura, 2021
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
2.3 cm
Depth Range
12–22 m
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 8 - 9; Anal spines: 1; Anal soft rays: 7. This species is distinguished by the following set of characters: D VI-I, 8-9; A I, 7; pectoral-fin rays 18-19; lateral scale rows 20-22; body depth is moderate, which is neither slender nor deep (depth at pelvic-fin origin 18.3-20.0% of SL); pelvic-fin base with frenum; caudal-fin length moderate, its margin rounded; no cephalic sensory-canal pores; interorbital papillae row (Row 3) may form two rows; postorbital papillae row (Row17) is not continuous with upper cranial papillae row (Row 18); preopercular and transverse opercular papillae rows (Rows 20 and 21, respectively) are connected, forming a single transverse row. Colouration: body with three oblique black bars, angled upwards anteriorly and continuous with black bars on dorsal fins, the anteriormost bar extending from first dorsal fin to midline of body, the two posterior bars extending from second dorsal fin to dorsal surface of body and caudal peduncle, respectively; pectoral fin white, with upper half widely (ca. 1/2 length of rays) margined with black; caudal-fin base with a narrow sickle-like bar .Cross section: oval.

🌀 Behaviour

Behavioural data for Wagtail 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 12 - 22 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.1±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.01023 × L3.01 (TL)
Max TL
2.3cm
Dorsal Spines
7
Dorsal Rays
9
Anal Spines
1
Anal Rays
7

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Climate Zone
Tropical
Described By
Fujiwara, Suzuki & Motomura, 2021

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