Sharks and Rays

Ray-finned fishes

Eels and Morays

Halosaurs and deep-sea Spiny eels

Jellynose fishes

Lightfishes and Dragonfishes

Live bearers, Killifishes and Rivulines

Perch-like fish

Antarctic dragonfishes

Asian leaffishes

Asian seaperches

Asiatic glassfishes

Australian salmon

Bagless glassfishes

Barbeled grunters

Barbled plunderfishes

Bigeyes or catalufas

Butterflyfishes

Cales and weed-whitings

Catadromous icefishes

Chameleonfishes

Climbing gouramies

Collared wrigglers

Combtooth blennies

Crocodile icefishes

Crocodile toothfishes

Deep-sea scalyfins

Deepwater cardinalfishes

Drums or croakers

Emperors or scavengers

False scorpionfishes

False trevallies

Freshwater sleepers

Freshwater tripletails

Grunters or tigerperches

Jacks and pompanos

Kissing gourami

Lanternbellies, temperate ocean-basses

Long-finned pike

Longfin escolars

Mackerels, tunas, bonitos

Moonyfishes or fingerfishes

Oceanic basslets

Patagonian blennies

Pike-, tube- and flagblennies

Sand stargazers

Sea basses: groupers and fairy basslets

Slimys, slipmouths or ponyfishes

Slope dragonets

Snake mackerels

Snaketooth fishes

Southern basses

Southern sandfishes

Spadefishes, batfishes and scats

Spiny plunderfishes

Splendid perches

Surgeonfishes, tangs, unicornfishes

Temperate basses

Temperate perches

Threadfin breams, Whiptail breams

Threefin blennies

Pikes and Mudminnows

Pipefishes and Seahorses

Pricklefishes, Bigscales and Gibberfishes

Puffers and Filefishes

Pygmy sunfishes

Scorpionfishes and Flatheads

Sticklebacks and Seamoths

Sturgeons and Paddlefishes

Swallowers and Gulpers

Tarpons and Tenpounders

Trout-perches, Pirate perches and Cavefish

Velifers, Tube-eyes and Ribbonfishes

Lobe-finned fishes

Setting up your tank

DIY Fish Tank Stand

250L community aquarium

Rio Grande darter (Etheostoma grahami) fish species and information / pictures of Rio Grande darter - Etheostoma grahami

Rio Grande darter (Etheostoma grahami) fish species information

Scientific Name
Etheostoma grahami

Common Name
Rio Grande darter

Biology
Inhabit gravel and rubble riffles of creeks and small rivers (Ref. 5723). Eggs are found attached to the substrate unguarded (Ref. 7043).

Classification

Classified By

Girard, 1859

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Perches (Percidae)

Distribution

Region

North America

Distribution

North America: lower Rio Grande drainage in Texas, USA and Mexico.

Range

31°N - 25°N

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; benthopelagic

Trophic Level

3.18 s.e. 0.41 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

6.0 cm

Common Length

3.0 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 (13 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Vulnerable (VU) (A2c, B1+2c, D2)