Blubber Cove Large Corner Aquarium Cave – Wide Entrance Pleco & Cichlid Hide

The Blubber Cove Large Corner Aquarium Cave is a wide, low-profile corner hide built around an extra-large entrance — sized for adult plecos, larger cichlids, clown loaches and other big-bodied fish that struggle to fit through standard cave openings. It tucks flush into the 90-degree back corner of your tank, saving swim space while giving your largest fish a proper retreat. UK 3D-printed in aquarium-safe PETG. Why a wide-entrance corner cave? Most aquarium caves are designed for small fish. The opening is too narrow for an adult pleco's body, an oscar's head, or a fully-grown bristlenose — so the cave goes unused and your big fish hide behind filters or rest against the heater instead. This cave solves that. The opening is sized for fish up to roughly 18cm body width, while the corner-fit shape keeps the tank's swim area open. Features Extra-wide entrance — fits adult plecos, cichlids, clown loaches, oscars and large community fish Corner-fit design — sits flush to the back corner, preserves swim space Wide, low-profile silhouette — won't dominate the front view Smooth rounded interior — safe for delicate fins and shrimp moults Can be buried in substrate or sit visibly above gravel 3D-printed in the UK from aquarium-safe PETG plastic Encourages natural cave-spawning behaviour (apistos, plecos, kribensis) Specifications Material: Aquarium-safe PETG plastic Standard size: 130 × 130 × 70 mm Large size: 180 × 180 × 75 mm Placement: 90-degree back corner of tank Profile: Wide and low (vs our tall mangrove corner cave) Colours: Black, White, Marble Effect, Moss Green, Sand Made in: United Kingdom Brand: Blubber Cove Suitable species Adult bristlenose plecos, common plecos, sailfin plecos Cichlids — apistogramma, kribensis, electric blue acara, dwarf cichlids Clown loaches, yoyo loaches, weather loaches Larger community fish — angelfish, oscars (juvenile), severums Also works for corydoras, kuhli loaches and shrimp colonies in shared tanks Choosing the right size Standard (130 × 130 × 70 mm): tanks 40–100 litres, juvenile plecos, shrimp colonies, smaller cichlids Large (180 × 180 × 75 mm): tanks 100–300 litres, adult plecos, larger cichlids, community setups with big fish How is this different from your other Blubber Cove caves? We make several cave shapes — pick the one that suits your fish and aquascape: Large corner cave (this one): wide low-profile corner with an extra-large entrance for big-bodied fish Tall mangrove corner cave: same corner placement but taller with mangrove-style pillars and a smaller entrance — for vertical scape interest Pleco cave tunnel: long low-profile foreground tunnel with two openings, sits at the front or buries under substrate Aquarium cave hideaway: rounded mid-tank dome for general species cover Frequently asked questions How wide is the entrance? Designed for fish up to roughly 18cm body width on the Large size. Adult bristlenose plecos, common plecos and most medium cichlids fit comfortably. If you have particularly large oscars or red-tail catfish, measure your fish first. Can it be buried in substrate or used above ground? Both. It's designed to hug the substrate line — bury the base for a natural cave look, or sit it on gravel for a more visible feature. Either way, the corner fit means it stays put. Is it safe for shrimp and delicate fins? Yes. Every surface is smooth and snag-free. PETG is shrimp-safe (no copper, no leaching) and food-grade — won't release chemicals into your water. Will plecos actually use it? Plecos almost always claim a cave within 24-48 hours, and the wide entrance is the difference between a cave they ignore and a cave they live in. Place it in a quieter section of the tank away from strong filter flow. Will it work as a cichlid breeding cave? Yes — the enclosed corner shape and wide entrance suit cave-spawners like apistogramma, kribensis and bristlenose plecos. The textured interior gives eggs somewhere to attach. Which corner cave should I pick — this one or the tall mangrove? Pick this Large Corner Cave if you have big-bodied fish that need a wide entrance, or if you want a low-profile look that doesn't dominate the tank. Pick the Tall Mangrove Corner Cave if you want vertical scape interest and your fish are smaller (shrimp, corydoras, kuhli loach, smaller plecos). Why buy from Blubber Cove Every cave is 3D-printed to order in our UK workshop in aquarium-safe PETG. Original aquascaper-designed pieces — no imports, no drop-shipping. Free UK delivery over £30.