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Acanthicus Adonis is a genus of the catfish of the family of Loricariidae. It includes two species but we will discuss the A.Adonis only. Fish of this genus are known as Lyre tail plecos and may also be known as the L-155 by the L-number system.

Quick stats:

Listed tank sizes are the minimum
Size:	Average adult size: 16 inches (40.6cm)
Tank:	Min. Tank requirements: 100 gallon (368 litre)
Strata:	Bottom feeder and bottom dweller
PH:	PH recommendation 7.5 to 9.0
Hardness:	Hardness: 5-14 dH
Temperature:	75°F to 80°F (24°-27° C)

Classification:

Order:	Siluriformes
Family:	Loricariidae
Sub family:	Hypostominae
Genera:	Ancistrini
Species:	acanthicus

 

Common name:

Adonis - L155

Additional species photographs

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Distribution

South America: Brazil- native to Tocantins River

These fish are relatively slender,spiny loricarriids that lack anadipose fin. The caudal fin possesses long filamentous lobes on the upper and lower margins and is forked. The pectoral fin spines are extremely long, the entire dorsal surface of the head is covered in stout ,sharp odontodes. The ondontodes form a sharp keel on the lateral plates and in juveniles, there are few to no odontodes on the plates above and below the keel rows. Males Have more and longer cheek odontodes and greatly elongated odontodes on the pectoral fin spine.

The color of these fish is typically Black, sometimes gray. With abdomen the same color as the rest of the body. Adonis show white spots on a black background in juveniles, the adult lacks these white spots, but become jet black with maturity.

 

Bottom opportunistic feeder. Dominating territorial species of plec. Best not kept with other plecs at all, they could easily be attacked.due to their size should be kept in big roomy tank.larger but not aggressive mid to top swimming fish tank mates should be fine... water should be kept pristine with water changes, large driftwood, bogwood and rocks, no plantings as they will be uprooted. Sand is the best substrate for them. Good filtration. Like fast moving water if possible. Need 100gal tank min. Not a fussy eater--fruit, vegetables, pellets and bits of fish, algae wafers and live foods. Feed 2x's a daily.

Sand and large bogwood, driftwood and rocks

Although it has been reported to have bred in the home aquarium details are not available. When it has been confirmed I will list it here.

These fish are very interesting to keep. A bigger tank is always advised. Plecos are beautiful with their forked tail and brilliant white spots on black, as adults they are shiny jet black. Most active at night. Pretty peaceful but will be territorial so other catfish and plecos are not advised. This fish is a bit challenging to keep in cycled tank, they are hard to find and expensive to buy. Good fish for the experienced fish keeper. They live about 16 years... great addition to that big tank with large middle to top of tank fish. Attractive and eye catching pleco.

Your comments:	Add your comments:
From: Paul Spencer Date:1/02/2009 I have one adonis pleco in a tank size of 125lts. i have had this fish for a year now and its been great. very shy during the day but at night is all over. it has never bothered any of my other fish which include corys, clown loach, gourami ( blue spotted) cardinal neon barbs and a few other friendly species. its now about 4-5 inches from nose to tail tip.

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