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🌿 Brackish Least Concern 🐠 Aquarium 🌡️ Temperate

Byblis Goby

Knipowitschia byblisia Ahnelt, 2011
Max Length
3.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Temperate
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Byblis Goby (Knipowitschia byblisia), first described by Ahnelt, 2011 is a tiny fish in the family Gobiidae (order Gobiiformes). Adults typically reach 3.80 cm in maximum length. It inhabits brackish estuarine and coastal transition zones between freshwater and the sea. It occurs in Temperate waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Gobiidae kept in the hobby.

Scientific Name
Knipowitschia byblisia
Authority
Ahnelt, 2011
Habitat
Brackish
Climate
Temperate
Body Shape
Elongated
IUCN Status
LC
Max Length
3.8 cm
Trophic Level
3.3
Resilience
High
Vulnerability
10.00/100

🐟 Physical Description

A Knipowitschia with (1) scales in two patches in the axillary area and on the caudal region respectively; (2) rear part of the caudal peduncle, immediately anterior to the caudal fin, naked; (3) head canals reduced to two short postorbital canals; (4) three rows of free neuromasts in the interorbit, a paired longitudinal row and a short transverse row; (5) internal preoperculo-mandibular row extending postero-dorsally replacing the preopercular canal, at least in part of the population; (6) male colouration with 8–9 dark vertical bars on the sides, dark blotch on the rear of the first dorsal fin, and (7) first dorsal fin with six to seven rays .: elongated.

🌀 Behaviour

Behavioural data for Byblis Goby 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; pelagic. Temperate

🌿 Ecology

Zone Preferences
🌿 Brackish 🐟 Pelagic
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00776 × L3.2 (TL)
Max TL
3.8cm

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2013

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Temperate
Described By
Ahnelt, 2011

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