Notchtail stargazer (Dactyloscopus byersi) fish species and information / pictures of Notchtail stargazer - Dactyloscopus byersi

Notchtail stargazer (Dactyloscopus byersi) fish species information

Scientific Name
Dactyloscopus byersi

Common Name
Notchtail stargazer

Biology
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) (Ref. 82814).

Classification

Classified By
Dawson, 1969
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Sand stargazers (Dactyloscopidae)

Distribution

Region
Eastern Pacific Ocean from Mexico south of the Gulf California to Panama.
Distribution
Eastern Pacific Ocean from Mexico south of the Gulf California to Panama.
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
0 m
Depth To - meters
2 m
Zone
demersal
Environment
Marine; demersal; depth range 0 - 2 m (Ref. 58018)
Trophic Level
4.02 s.e. 0.62 Based on food items.
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
5.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low vulnerability (10 of 100)
Resilience
Unknown
Threat To Humans
  Harmless
IUCN Red List Status
  Least Concern (LC)