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🌿 Brackish Least Concern 🐠 Aquarium 🌡️ Tropical

Periophthalmus Walailakae

Periophthalmus walailakae Darumas & Tantichodok, 2002
Max Length
11.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
16.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Facultative air-breathing ; Found in mangrove forests . Builds burrows 9-13 cm wide and 100-120 cm deep . Nocturnal, leaving the burrow to feed in the evening and returning in the morning .

Scientific Name
Periophthalmus walailakae
Authority
Darumas & Tantichodok, 2002
Habitat
Brackish
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
11.6 cm
Trophic Level
3.3
Resilience
High
Vulnerability
16.00/100

🐟 Physical Description

Dorsal spines (total): 9 - 10; Dorsal soft rays (total): 10; Anal spines: 1; Anal soft rays: 8 - 10. Teeth in both jaws in a single row; snout, isthmus and interorbital region with no scales; frenum strongly prominent; pelvic fins completely joined by membrane for entire length to form a disk; dorsal fins well separated; first dorsal brownish red with a white margin, its margin rounded; second dorsal fin with a black stripe in middle of fin; dark brown and pale yellow spots on head and trunk . Caudal fin asymmetrically rounded .: fusiform / normal.

🌀 Behaviour

Behavioural data for Periophthalmus Walailakae is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

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

🌍 Habitat & Distribution

Brackish; demersal. Tropical Indian Ocean: Andaman coast of southern Thailand to Western Pacific in Singapore.

🌿 Ecology

Zone Preferences
🌿 Brackish ⬇️ Benthic
Trophic Level
3.3±0.4
🌙 Nocturnal

📐 Morphometrics

Length–Weight Relationship: W = 0.01096 × L2.97 (TL)
Max TL
11.6cm
Dorsal Spines
10
Dorsal Rays
10
Anal Spines
1
Anal Rays
9

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2024

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
16.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Darumas & Tantichodok, 2002

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