Planiloricaria cryptodon

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The Spoonfaced Whiptail, known scientifically as Planiloricaria cryptodon, is an Amazonian loricariid with a highly distinctive profile. Its flattened body and broad head give it an immediately recognizable shape among whiptail catfish. Native to the Rio Ucayali in Peru, it occupies calm areas where it can rest close to the bottom. This species has moderate availability in the aquarium trade, is offered as wild-collected, and is available exclusively from Ton.Fish in Canada. It is best suited to aquarists looking for a discreet, specialized bottom-dwelling fish.

General species description

Planiloricaria cryptodon is a bottom-dwelling catfish in the family Loricariidae and subfamily Loricariinae. Like other whiptail catfish, it has an elongated body, an inferior mouth and fins adapted to resting on the substrate. Its temperament is generally peaceful and reserved. It spends much of its time motionless, hidden among leaves, roots or plant debris. In an aquarium, it requires stable, well-oxygenated water and a layout with surfaces where it can rest. Its moderate availability in the trade makes it an appealing choice for a specialized Amazonian biotope.

Geographic origin and biotope

The species is associated with the Rio Ucayali in Peru, within the extensive Amazon drainage. It is adapted to shallow areas where the current remains moderate and the bottom accumulates sand, fine silt and organic debris. River margins in the basin generally contain abundant vegetation, submerged roots and leaf litter that provide shelter. In an aquarium, recreate a shaded environment with a soft, non-abrasive substrate, several roots and steady circulation, without turning the aquarium into a fast-flowing stream.

Precise location and local name

The reference locality supplied for Planiloricaria cryptodon is the Rio Ucayali in Peru. The English common name Spoonfaced Whiptail is used in the aquarium trade to describe the broad, spoon-shaped head and whiptail-like body. No precise Peruvian vernacular name is retained here. Since the species is wild-collected, careful attention to its locality and suitable water conditions is especially important during acclimation.

Appearance and physical characteristics

Planiloricaria cryptodon has a very elongated, flattened body typical of loricariines, with a tapering tail and pectoral and pelvic fins that help it remain stable on the bottom. Its most distinctive feature is its broad, flattened, spoon-shaped head, which inspired its common name. Its overall coloration is subdued and suited to camouflage among sand, leaves and wood. This body shape supports a discreet existence near the substrate and separates the species from stockier or more heavily armoured loricariids.

General diet

Its diet should be planned for a bottom-dwelling fish with an inferior mouth. In an aquarium, offer sinking foods with a vegetable base, catfish tablets and soft foods placed directly on the substrate. Blanched vegetables such as zucchini can supplement the diet. Feed mainly after the lights go out, when the species becomes more active. Do not rely only on natural algae in the aquarium: regular, varied feeding helps maintain condition, especially after transport of a wild-collected specimen.

Essential data

• River of origin: Rio Ucayali
• Local name used: No precise vernacular name retained; Spoonfaced Whiptail in the trade
• Origin of the scientific name: The name combines Planiloricaria with cryptodon, referring to a tooth-related characteristic
• Etymology of the full name: Planiloricaria means “flat loricaria”; cryptodon means “hidden tooth” or “concealed tooth”
• Common/vernacular names: Spoonfaced Whiptail
• Family: Loricariidae
• Subfamily: Loricariinae
• Name pronunciation: pla nee lo ri CARE ee ah - krip toe don
• Discovery: Isbrücker and Nijssen, 1978
• Maximum adult size: About 15 cm
• Water temperature and pH: Stable tropical water, soft to slightly acidic
• Watercourse appearance and surrounding vegetation: Calm areas, soft bottom, roots, leaf litter and abundant streamside vegetation
• Typical tankmates: Small peaceful characins, corydoras, small dwarf cichlids and other calm Amazonian fish
• Temperament and behaviour: Peaceful, discreet, mainly active at dusk and close to the bottom
• Water depth: Shallow to moderately deep areas
• Sexual dimorphism: Subtle; mature males may have a broader head and more body bristles
• Bottom structure and flow: Sand or fine silt, plant debris and low to moderate current

In your aquarium

To succeed with Planiloricaria cryptodon, choose a mature, well-filtered and dimly lit aquarium with a fine substrate, roots and shaded areas. Provide varied sinking foods, monitor the condition of its fins and avoid boisterous or bottom-competitive tankmates. Because it is a wild-collected fish offered exclusively by Ton.Fish in Canada, slow acclimation and stable water are essential. Its moderate availability also makes responsible long-term care more important than an impulse purchase.