L144 Bristlenose Plecostomus
Ancistrus sp. (L144)
- Care level
- Intermediate
- Minimum tank
- 75 litres
- Temperature
- 23–29 °C
Species profile
L143 Lasiancistrus Plecostomus
Lasiancistrus sp. (L143)
Common names: L143 Lasiancistrus Plecostomus, L143
Undescribed speciesPlecostomus
Countries of origin
Good fit for your tank?
Good fit for
- A mature river-style community with wood and rock
- A keeper comfortable with uncommon Lasiancistrus forms
- An aquarist able to maintain accurate collection records
Think carefully if
- The L-number identity is uncertain
- Bottom territories are already occupied
- You expect a fully documented breeding project
L143 Lasiancistrus Plecostomus is a South American loricariid represented by L143. It requires stable oxygen-rich water, suitable caves, and deliberate species-appropriate feeding.
Appearance and Identification
L143 is an unidentified Lasiancistrus with a compact armoured body, mottled or spotted camouflage and a bristled cheek region in mature fish. Pattern alone may not separate it safely from related coded forms.
Use the L-number identification L143 together with the current assignment Lasiancistrus sp. (L143). Do not merge it with visually similar forms without matching collection locality and diagnostic features. The L-number remains the principal stable identifier because the form is undescribed or not conclusively assigned.
Mature males generally develop stronger cheek and snout odontodes and a broader head. Females remain smoother and become fuller through the abdomen, while juveniles are difficult to sex.
Tank Requirements
- Suggested filter
- About 400–500 litres an hour
- Suggested heater
- About 100–150 W for this tank
- Minimum tank volume
- 100 litres
- Minimum tank length
- 80 cm
- Minimum group size
- 1
- Recommended group size
- 3
- Activity level
- Moderate
- Flow preference
- High
- Planting preference
- Moderately planted
- Hiding places
- Yes
- Lid recommended
- Yes
- Jumping risk
- Low
Provide clean oxygenated water, wood, rock grazing surfaces and several close-fitting shelters. Moderate to strong current and a mature biofilm-rich aquarium suit its riverine feeding habits.
Behaviour and Tankmates
Usually peaceful toward midwater fish but territorial around shelters and grazing surfaces. Males may become more defensive when in breeding condition.
Can be kept singly. A pair or group requires several appropriately sized caves and enough floor area for every adult to feed without being trapped.
Mature males commonly defend caves and favoured feeding areas from similarly shaped loricariids.
It can live with calm river fish if each bottom dweller has a separate retreat. Avoid crowded pleco collections and aggressive species that can exclude it from food.
Water Parameters
Maintain stable clean water with strong oxygenation. Warm water, protein-rich food, wood waste, and crowded hardscape can rapidly reduce oxygen and degrade water quality.
Parameter caveat
Acclimate slowly to temperature and conductivity changes. Keep ammonia and nitrite at zero, control nitrate, and inspect caves and rockwork for trapped waste.
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Manual aquarium siphon and gravel cleaner
A manual siphon for routine aquarium water changes and accessible waste removal. The seller lists a hose approximately 1.6 m long.
Control the flow and keep the intake clear of fish and delicate planting. Clean the areas appropriate for your substrate and layout rather than disturbing the entire planted bed.
Daraz NepalCheck availability on Daraz
Feeding
- Diet types
- Aufwuchs Grazer, Insectivore, Omnivore
- Feeding frequency
- Daily
- Preferred foods
- Quality omnivore sinking waferUse a complete sinking food as the staple.
- Frozen brine shrimp or insect larvaeOffer small portions for protein variety.
- Natural biofilm and aufwuchsMaintain mature hardscape as supplementary grazing.
- Vegetable-based waferProvides fibre and plant matter.
Feed an aufwuchs-based omnivorous diet with algae and vegetable-rich sinking foods, biofilm and regular small invertebrate foods. It is not a waste-cleaning substitute for aquarium maintenance.
Feed after lights dim and distribute food near every occupied shelter. Confirm that subordinate fish eat and remove rich leftovers before they affect water quality.
Breeding
- Breeding type
- Cave Spawner, Egg Layer
- Breeding difficulty
- Difficult
- Breeding temperature
- 25.5 °C
- Breeding pH
- 6.5
- Brood or egg count
- Usually several dozen adhesive eggs; dependable species-specific fecundity data are unavailable.
- Incubation
- 7 days
- Parental care
- Paternal care
- Baby foods
- Mature biofilmProvides continuous grazing after fry leave the cave.
- Fine powdered sinking foodFeed tiny portions close to shelter several times daily.
- Newly hatched brine shrimpUse as supplementary protein once fry can take moving prey.
A male-guarded cave or crevice spawning pattern is expected for the genus, but reliable breeding details for this coded form remain limited.
Habitat and Origin
- Geographic origin
- Amazon Basin, Brazil, South America
- Natural habitat
- Fast-Flowing Stream, Freshwater River, Rocky Shoreline
- Aquarium contexts
- Freshwater Aquarium, Freshwater Community, High-Flow Aquarium
- Audience level
- Intermediate
Classification
- Profile type
- Undescribed species
- Genus
- Lasiancistrus
- Family
- Loricariidae
- Species group
- Fish, Plecostomus
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L147 Ancistomus Plecostomus
Ancistomus sp. (L147)
- Care level
- Intermediate
- Minimum tank
- 150 litres
- Temperature
- 24–29 °C
L148 Bristlenose Plecostomus
Ancistrus sp. (L148)
- Care level
- Intermediate
- Minimum tank
- 75 litres
- Temperature
- 23–29 °C
L149 Bristlenose Plecostomus
Ancistrus sp. (L149)
- Care level
- Intermediate
- Minimum tank
- 75 litres
- Temperature
- 23–29 °C