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💧 Freshwater 🌡️ Subtropical

Stiphodon Alcedo

Stiphodon alcedo Maeda, Mukai & Tachihara, 2012
Max Length
4.3 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
12.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Adults and juveniles inhabit freshwater streams, usually in pools. Often form shoals with conspecific individuals and the congeners Stiphodon percnopterygionus and Stiphodon atropurpureus, and occasionally with Stiphodon imperiorientis.

Scientific Name
Stiphodon alcedo
Authority
Maeda, Mukai & Tachihara, 2012
Habitat
Freshwater
Climate
Subtropical
Body Shape
Elongated
Max Length
4.3 cm
Resilience
High
Vulnerability
12.00/100
Migration
Amphidromous
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 9 - 10; Anal spines: 1; Anal soft rays: 10; Vertebrae: 25 - 27. Distinguished from its congeners by having the following characters: dorsal fins, usually VI-I, 9, male having pointed, but not filamentous, first dorsal fin with elongate spines 4 and 5, posterior tip of fin usually extending to base of soft-rays 2-5 of second dorsal fin; pectoral fin with 15-17 (mode 16) rays; 32-40 premaxillary teeth; dentary with 32-45 horizontal teeth; female with two black longitudinal bands laterally on body arranged with a larger interval between two bands; lower band composed of 8-11 regular blotches, upper band thin and pale; all fins of female usually with faint markings; non-nuptial colored male having a dark brown longitudinal band just below lateral midline; nuptial colored male lacking this band, and having blackish or sometimes orange body, metallic turquoise laterally on head, metallic turquoise spot on upper pectoral-fin base when alive; and male often with 1-6 somewhat obscure black spots on pectoral-fin rays .: elongated.

🌀 Behaviour

Behavioural data for Stiphodon Alcedo is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Size at Maturity
2.9cm TL

🌍 Habitat & Distribution

Freshwater; demersal; amphidromous . Subtropical

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Migration
Amphidromous

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
4.3cm
Dorsal Spines
7
Dorsal Rays
10
Anal Spines
1
Anal Rays
10
Vertebrae
26

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
12.00/100
Low vulnerability
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Maeda, Mukai & Tachihara, 2012

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