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🌊 Marine Least Concern 🌡️ Tropical

Notchtail stargazer

Dactyloscopus byersorum Dawson, 1969
Max Length
-
Max Weight
-
Lifespan
-
Trophic Level
4
Depth
0–2 m
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Notchtail stargazer (Dactyloscopus byersorum) is a ray-finned fish of the family Dactyloscopidae. It inhabits marine (saltwater) waters in benthic environments. It occurs at depths between 0 and 2 metres. With a trophic level of 4, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Dactyloscopus byersorum
Authority
Dawson, 1969
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Depth Range
0–2 m
Trophic Level
4
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Anal soft rays: 31 - 35. Dactyloscopus byersi differs from Dactyloscopus heraldi in a number of features: one row of scales above the curved portion of the lateral line (vs. none); A 31-35, modally 34 (vs. 29-33, modally 32); upper lip fimbriae 13-18, modally 15 (vs. 11-14, modally 12); preopercular sensory pores increases in number with size, but more present in D. byersi of comparable sizes; chevron markings prominent on the side posteriad (vs. weak or absent) and absence of dark bars on the dorsum (vs. present) .

🌀 Behaviour

Behavioural data for Notchtail stargazer is currently being reviewed.

🦐 Diet

Diet information for Notchtail stargazer is currently being compiled.

🥚 Reproduction

Reproduction data for Notchtail stargazer is currently being compiled.

🌍 Habitat & Distribution

Marine; demersal; depth range 0 - 2 m . Tropical south of the Gulf California to Panama.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
4±0.62
Food Items

small fishes and invertebrates (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Anal Rays
33

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2007

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
4
Apex / Top predator
Climate Zone
Tropical
Described By
Dawson, 1969

👥 Community & Contribute

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