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💧 Freshwater 🌡️ Tropical

Schismatogobius Essi

Schismatogobius essi Keith, Lord & Larson, 2017
Max Length
2.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Occurs in streams with moderate to fast flow in shallow areas of gravel (depth 0.3-0.7 m) just above tidal influence, in company with Schismatogobius bruynisi and S. vanuatuensis .

Scientific Name
Schismatogobius essi
Authority
Keith, Lord & Larson, 2017
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
Max Length
2.6 cm
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 8 - 9. Schismatogobius essi is distinguished by having the following characters: pectoral fin usually with 15 pectoral; pectoral fins with broad black triangular wedge dorsally usually with few rows of dark spots below it; dorsal flns VI-I,9; membrane in flrst dorsal fin posterior to spine 6 not connected to base of spine in second dorsal fln; anal fln I,8-9; ventral surface ofhead, frenum and pelvic disc in male entirely blackish or entirely brownish; and in females, underside of head pale with chin and surrounding area blackish, with diffuse dark brown area on anterior part of branchiostegal membrane and isthmus .: elongated.

🌀 Behaviour

Behavioural data for Schismatogobius Essi is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.1±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00708 × L3.07 (TL)
Max TL
2.6cm
Dorsal Spines
7
Dorsal Rays
9
Anal Spines
1
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Keith, Lord & Larson, 2017

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