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🌊 Marine Least Concern 🐠 Aquarium 🌡️ Tropical

Hazeus Ammophilus

Hazeus ammophilus Allen & Erdmann, 2021
Max Length
3.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Hazeus Ammophilus (Hazeus ammophilus), first described by Allen & Erdmann, 2021 is a tiny fish in the family Gobiidae (order Gobiiformes). Adults typically reach 3.30 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. 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
Hazeus ammophilus
Authority
Allen & Erdmann, 2021
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
3.3 cm
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

This species is distinguished by the following characters: third or fourth dorsal spine longest; segmented dorsal and anal rays usually 10 (sometimes 9); pectoral rays 13-17 (usually 16); lateral scales 25-28 (usually 26); transverse-scales 7; predorsal scales 6-9 (usually 7, rarely 8-9); ctenoid scales cover the body and nape, except cycloid, embedded scales on prepelvic area and pectoral-fin base; cheek and opercle no scales; different longitudinal pattern of cephalic sensory papillae. Colouration: in life the adult male blotchy golden brown with whitish to pale grey flecks on head and sides, midlateral row of five, large dark brown spots; female with similar, but less vivid coloration, and no double row of transverse brown streaks and brown outer margin on dorsal fins, and instead with a broad, submarginal whitish band .Cross section: oval.

🌀 Behaviour

Behavioural data for Hazeus Ammophilus 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. Tropical South China Sea; east to Papua New Guinea; north to Japan (Amami Islands).

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.1±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.09 (TL)
Max TL
3.3cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2024

📊 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
Allen & Erdmann, 2021

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