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Corydoras Super Parallellus CW-127 is a highly sought-after collector Corydoras, identified by the CW-127 code and associated with the Rio Tapajós basin in Brazil. Its coloration recalls Corydoras with longitudinal markings, giving it an elegant appearance and an active presence near the bottom. This form remains very rare in the aquarium hobby. The offered specimens are wild-collected, and this availability is exclusive to Ton.Fish in Canada, making it an interesting opportunity for aquarists who want to keep a distinct wild form.

General species description

Corydoras Super Parallellus CW-127 is a Corydoras form known in the aquarium trade under the CW-127 code rather than under an accepted binomial species name. Like other members of the group, it is a small armored catfish belonging to the subfamily Corydoradinae, with a peaceful and social nature. It spends most of its time searching through the substrate, but regularly rises to the surface to take atmospheric air. This wild form is especially interesting because of its pattern and rarity. It should be kept in a group in a mature, well-oxygenated aquarium with no waste accumulation on the bottom. The specimens are wild-collected and offered exclusively by Ton.Fish in Canada.

Geographic origin and biotope

Corydoras Super Parallellus CW-127 comes from Brazil, in the basin of the Rio Tapajós, an important tributary of the lower Amazon. In this region, small bottom-dwelling fish generally use calm to moderately flowing areas, with water ranging from clear to slightly tea-colored depending on the season and drainage characteristics. The biotope includes sandy stretches, leaf litter, roots and plant debris gathered near the banks. An aquarium inspired by this habitat should use fine, non-abrasive sand, some roots, dried leaves and soft vegetation. Efficient filtration without excessive bottom-level turbulence helps recreate suitable conditions for this wild Corydoras.

Precise locality and local name

The available geographic reference for Corydoras Super Parallellus CW-127 is the Rio Tapajós in Brazil. The aquarium trade code CW-127 is the main identifier used by collectors and specialized retailers for this form. The commercial name “Super Parallellus” refers to its appearance and its visual similarity to Corydoras with parallel lines, but it does not replace an official scientific name. In the specialty trade, it may therefore be listed as Corydoras Super Parallellus, CW-127 or Corydoras sp. CW-127. Since this is a very rare wild fish, keeping the CW-127 code with the specimens is advisable to prevent mixing it with visually similar forms.

Appearance and physical characteristics

Corydoras Super Parallellus CW-127 has the compact body shape typical of Corydoras, with a body covered in bony plates, sensitive barbels around the mouth and pectoral fins equipped with a rigid spine. Its main attraction is its dark longitudinal line pattern, contrasting with a silver to beige background. Coloration may vary with age, health, lighting and mood. The belly is usually paler, while the fins may show subtle markings. The barbels are important for locating food and must be protected with a soft substrate. Maximum adult size is about 5 cm, with mature females often appearing broader and more robust.

General feeding

Corydoras Super Parallellus CW-127 is a benthic omnivore that searches for small prey, larvae, microorganisms and organic matter in the substrate. In an aquarium, its diet should be based on quality sinking tablets, offered in a way that allows every fish to feed. Frozen foods such as bloodworms, brine shrimp and daphnia can supplement the diet, especially while conditioning adults for spawning. Live foods are also readily accepted when available. This Corydoras should not be expected to live on leftovers from other fish or be treated as an aquarium cleaner. A varied diet in small portions helps maintain good body condition and healthy barbels. Remove uneaten food to preserve clean, well-oxygenated water.

Essential data

• River of origin: Rio Tapajós
• Local name used: Corydoras Super Parallellus CW-127
• Origin of the scientific name: CW-127 is a collection and aquarium trade code; no official binomial name is used here.
• Etymology of the full name: Corydoras generally refers to “armored skin”; Super Parallellus refers to its resemblance to parallel markings; CW-127 is a form code.
• Common/vernacular names: Super Parallellus Corydoras, Corydoras CW-127
• Family: Callichthyidae
• Subfamily: Corydoradinae
• Name pronunciation: cor-ee-DORE-us - see double you one two seven
• Discovery: collection form designated CW-127
• Maximum adult size: approximately 5 cm
• Water temperature and pH: 23 to 27 °C; pH 6.0 to 7.5
• Stream appearance and surrounding vegetation: sandy areas, roots, leaf litter and riparian vegetation in the Amazon basin
• Typical tankmates: peaceful small characins, compatible Corydoras and small non-aggressive loricariids
• Temperament and behavior: peaceful, social, active on the bottom and occasionally near the surface
• Water depth: shallow to moderately deep areas near banks and sandbars
• Sexual dimorphism: females are generally wider and more robust; males are slimmer
• Bottom structure and flow: fine or very soft sand, plant debris and low to moderate current

For greater success, keep Corydoras Super Parallellus CW-127 in a group in stable, clean and well-oxygenated water. Fine sand, a varied sinking diet and the absence of aggressive fish are essential. Since this form is very rare and wild-collected, gradual acclimation and careful quarantine are strongly recommended.