AquaticRepublic.com - Hyalobagrus flavus (Bagridae) All Fishes

Habitat
Sketch
Sketch of pectoral fin ray
Gravid female
Close-up of head
Close-up of dorsal fin
Close-up of pectoral fin
Close-up of caudal fin

All Fishes Data Sheet
Scientific Name	**Hyalobagrus flavus** Ng & Kottelat, 1998
Common Name	Shadow Catfish
Type Locality	Danau Arang Arang in the vicinity of Muara Kompeh, 1°37'32"S, 103°47'19"E, Jambi Province, Sumatra, Indonesia.
Pronunciation	HI ya low BAG russ - FLAH vuss
Etymology	From the greek hyalos, meaning transparent, and bagrus, the name of a catfish genus frequently used to form generic names. The specific epithet comes from the Latin flavus, meaning yellow, in reference to the color in life.
Species Information
Size	44mm or 1.7" SL. Find near, nearer or same sized spp.
Identification	The small size, translucent body and black stripe running the entire length of the body is distinctive of members of this genus. Hyalobagrus flavus is the only species imported for the aquarium trade and is distinguished from congeners in having only half the anterior edge of the pectoral spine serrated.
Sexing	Males are more slender and have an elongate genital papilla in front of the anal fin. When gravid, the ripe ova of the females are greenish and can be seen through the translucent body wall.
General Remarks	Normally found hiding under thick mats of floating grass in its natural habitat.
Habitat Information
Distribution	Asia: currently known only from the Batang Hari drainage in Sumatra and the Mentaya basin in southern Borneo, Indonesia. Pacific, Greater Sunda Island Rivers, Sumatra Waters, Batang Hari (click on these areas to find other species found there) Pacific, Greater Sunda Island Rivers, Borneo Waters, Mentaya (click on these areas to find other species found there) Login to view the map.
IUCN Red List Category	Data Deficient , range map and more is available on the IUCN species page. Last assessed 2019.
pH	5.0 - 6.2
Temperature	22.0-27.0°C or 71.6-80.6°F (Show species within this range)
Other Parameters	Little or no current preferred.
Husbandry Information
Feeding	Readily feeds on live/frozen foods and smaller-sized prepared foods such as micropellets, but shows a preference for the former. User data.
Furniture	They do best with plenty of shade (in the form of vegetation), so a heavily planted tank is the ideal setup for these fish.
Compatibility	A peaceful, diurnal shoaling species that should be kept in groups of four or more individuals. Because of their small size and delicate nature, it is best to keep them with less boisterous small or mid-sized fish such as harlequin rasboras (Trigonostigma heteromorpha) and kuhlii loaches (Pangio spp.).
Breeding	This species has been spawned. The fish lay eggs on leaves.
Breeding Reports	There is no breeding report.
Further Information
Reference	Ichthyological Exploration of Freshwaters v. 9 (no. 4), pp 340, Fig. 6
Registered Keepers	There are 2 registered keepers, view all "my fish" data.
Wishlists	Love this species? Click the heart to add it to your wish list. There is no wish to keep this species.
Spotters	Spotted this species somewhere? Click the binoculars! There are 9 records of this fish being seen, view them all.
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	Look up H. flavus on PlanetCatfish.com
	Look up H. flavus on Fishbase
	Look up H. flavus on Encyclopedia of Life
	Look up H. flavus on Global Biodiversity Information Facility
	LFS label creator ARN ref:1.8.103.295
Last Update	2025 Jan 01 11:54 (species record created: 2001 Apr 17 00:00)