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Diadromous Least Concern 🌡️ Tropical

Slender mudskipper

Zappa confluentus Roberts, 1978
Max Length
4.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Slender mudskipper (Zappa confluentus) is a ray-finned fish of the family Gobiidae. It inhabits diadromous, migrating between freshwater and the sea waters in benthic environments. This species can reach a maximum total length of 4.4 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
Zappa confluentus
Authority
Roberts, 1978
Habitat
Diadromous
Climate
Tropical
IUCN Status
LC
Max Length
4.4 cm
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Migration
Amphidromous
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Gobiiformes
Gobiiformes
Family
Gobiidae
Gobiidae
Genus
Zappa
Zappa
Species
Slender mudskipper
Zappa confluentus

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 24 - 29; Anal spines: 1; Anal soft rays: 23 - 28. Distinguished by the following characteristics: total D2 elements 27-30; caudal fin length 21.4-27.9% SL; head length 22.0-25.7% SL .

🌀 Behaviour

Behavioural data for Slender mudskipper 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; amphidromous . Tropical; 2°S - 9°S known only from the lower parts of the Fly, Ramu and Bintuni Rivers in New Guinea.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Migration
Amphidromous
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00708 × L2.96 (TL)
Max TL
4.4cm
Dorsal Spines
7
Dorsal Rays
27
Anal Spines
1
Anal Rays
26

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 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
Roberts, 1978

🌐 Names & Taxonomy

Language Common Names
🇬🇧English New Guinea Slender Mudskipper · Slender Mudskipper

Scientific Synonyms

Scientific Name Author Year Status
Pseudapocryptes confluentus Roberts 1978 Synonym

🗺️ 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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