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Diadromous Least Concern 🌡️ Tropical

Philypnodon Macrostomus

Philypnodon macrostomus Hoese & Reader, 2006
Max Length
3.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Philypnodon Macrostomus (Philypnodon macrostomus) is a ray-finned fish of the family Eleotridae. It inhabits diadromous, migrating between freshwater and the sea waters in benthic environments. This species can reach a maximum total length of 3.7 cm. 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
Philypnodon macrostomus
Authority
Hoese & Reader, 2006
Habitat
Diadromous
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
3.7 cm
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7 - 9; Dorsal soft rays (total): 8 - 10; Anal spines: 1; Anal soft rays: 8 - 10; Vertebrae: 31 - 32. Can be diagnosed by having a wide gill opening, extending anteroventral to preoperculum, but not reaching to below eye, usually ending below posterior preopercular margin, sometimes as far forward as midway between posterior preopercular margin and eye; head papillae in transverse pattern; generally dark brown body, with darker brown mottling on sides, black stripes on 1st dorsal in adult males; jaws reaching to behind eye in mature males, variably developed in juvenile males and females, usually reaching below middle of eye to near end of eye; rounded to truncate tongue tip . : fusiform / normal.

🌀 Behaviour

Behavioural data for Philypnodon Macrostomus is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Marine; freshwater; brackish; demersal. Tropical

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Trophic Level
3.1±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00977 × L3.08 (TL)
Max TL
3.7cm
Dorsal Spines
8
Dorsal Rays
9
Anal Spines
1
Anal Rays
9
Vertebrae
32

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Hoese & Reader, 2006

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