Dwarf pygmy goby

📖 Overview

This is one of the smallest freshwater fishes: males are mature at 9 mm, females at 15 mm. The species used to frequent shady river banks in the Malabon River, Rizal Province, Luzon, Philippines; however, the type locality has been reclaimed and the remaining waters in the area are heavily polluted; the species is considered extinct in the Philippines (Rainer Froese, pers. comm., 2004). It has been apparently imported into Germany in 1958; a color photo of the fish was taken in an aquarium . Found in brackish waters and mangrove areas of Indonesia (M. Kottelat, pers. comm.).

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 6 - 7; Anal spines: 1; Anal soft rays: 6 - 7. Dark spots on sides of body somewhat forming 4 cross-bands; heavy pigmentations on all bases of fins, except ventrals, apparently are continuation of body pigmentation. Head and nape naked. 22 to 25 scales in longitudinal series ; further characterized by presence of black spot at middle of caudal fin base; first dorsal fin yellowish with black anterior; rounded caudal fin .: fusiform / normal; Cross section: oval.

🌀 Behaviour

Behavioural data for Dwarf pygmy goby is currently being reviewed.

🦐 Diet

🥚 Reproduction

Probably a non-guarder (RF).

🌍 Habitat & Distribution

Marine; freshwater; brackish; demersal; pH range: 7.0 - 8.4; dH range: ? - 30; amphidromous ; depth range 0 - 2 m . Tropical; 24°C - 30°C

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 3 records indexed .

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