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Micrometrus aurora Reef perch

Micrometrus aurora is commonly referred to as Reef perch. Difficulty in the aquarium: Not suitable for aquarium keeping. Toxicity: Toxic hazard unknown.


Profilbild Urheber Monterey Bay Aquarium Research Institute (MBARI), Kalifornien, USA

Foto: Monterey Bay Aquarium, Kalifornien, USA

/ CC BY-SA 4.0
Courtesy of the author Monterey Bay Aquarium Research Institute (MBARI), Kalifornien, USA

Uploaded by AndiV.

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lexID:
17773 
AphiaID:
Scientific:
Micrometrus aurora 
German:
Brandungsbarsch 
English:
Reef Perch 
Category:
 
Family tree:
Animalia (Kingdom) > Chordata (Phylum) > Teleostei (Class) > Ovalentaria incertae sedis (Order) > Embiotocidae (Family) > Micrometrus (Genus) > aurora (Species) 
Initial determination:
(Jordan & Gilbert, ), 1880 
Marine Zone:
Intertidal (Eulittoral), intertidal zone between the high and low tide lines characterized by the alternation of low and high tide down to 15 meters 
Sea depth:
- 9,1 Meter 
Habitats:
Algae zones, Intertidal reefs, Seagrass meadows, Eelgrass Meadows, Tidal channels, Intertidal channels 
Size:
up to 6.3" (16 cm) 
Temperature:
12,8 °F - 66.2 °F (12,8°C - 19°C) 
Difficulty:
Not suitable for aquarium keeping 
Offspring:
Not available as offspring 
Toxicity:
Toxic hazard unknown 
CITES:
Not evaluated 
Red List:
Not evaluated (NE) 
Related species at
Catalog of Life
:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2025-10-05 17:02:29 

Info

The reef perch belongs to the Embiotocidae family, and there are two species of the genus Micrometrus worldwide, both of which are found in Mexican waters of the Pacific Ocean.

Micrometrus lat and Micrometrus minimus are of great scientific interest as they are among only one or two fish species worldwide whose males are born sexually mature, i.e., immediately ready to mate.

Adult reef perch are usually found in shallow rocky areas and tidal pools, hence the common name reef perch.
Females of the species carry the developing offspring and later release the young fish.

The reef perch is easily identified by the series of half-rings on the scales between the anal and pectoral fins and the black spots at the base of the pectoral fins, but it has no commercial or economic value and is of limited interest to most people.

Micrometrus aurora and Micrometrus minimus are also displayed in show aquariums, one example being the Monterey Bay Aquarium in California.

Synonyms:
Cymatogaster minimus Gibbons, 1854 · unaccepted
Holconotus trowbridgei Girard, 1854 · unaccepted (misspelling)
Holconotus trowbridgii Girard, 1854 · unaccepted

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