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How to catch Loach

Cobitis calderoni Băcescu, 1962

About Loach fishing

The lamprehuela is a tiny freshwater fish belonging to the true loach family Cobitidae, native to river systems in the Iberian Peninsula across Spain and Portugal. Possessing a slender, elongated body marked by distinct rows of dark spots and three pairs of short sensory barbels around the mouth, this benthic species typically inhabits the upper and middle reaches of clear running waters with shallow stony beds or soft substrates. Growing up to a maximum of ten centimetres in standard length, it lives a short lifespan of about three years, reaching sexual maturity within its first year. Adults feed primarily on benthic aquatic invertebrates and organic detritus sifted from the substrate, engaging in specialized courtship rituals among dense marginal vegetation during its spring spawning season. Due to severe habitat fragmentation, water pollution, and invasive species introductions, wild populations face significant conservation pressures and hold no commercial or sport fishing value.

  • Difficulty

    Medium

  • Average size

    8 cm

  • Habitat

    Freshwater

  • Season

    Spring, Summer, Autumn

Loach

Caudal shape

More or less truncate caudal fin shape helps identify this loach species.

Dorsal attributes

Dorsal fin has no striking attributes, showing typical spotted rows.

Lateral stripe

Distinct row of dark diamond-like blotches along the midlateral flank.

Barbels

Short circum-oral barbels around the subterminal mouth characteristic of cobitid loaches.

Loach fishing facts

Characteristics

  • Typical size

    8 cm (max 10 cm SL )

  • Typical weight

    0.2 kg (max 0 kg )

  • Longevity

    3 years

  • Body shape

    Elongated

  • Vulnerability score

    39.1

Best hours

  • Dawn

    First light

    Low

  • Morning

    After sunrise

    Peak

  • Midday

    High sun

    Low

  • Afternoon

    Late day

    Active

  • Dusk

    Last light

    Low

  • Night

    After dark

    Low

When to fish for Loach

01
January
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February
03
March
04
April
05
May
06
June
07
July
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August
09
September
10 Now
October
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November
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December

How to catch Loach

Tips for catching Loach

This protected Iberian minnow dwells in clear, shallow running waters with coarse gravel or stony beds. Because it is legally protected across its native range and strictly catch and release is not permitted due to conservation status, targeted angling is generally prohibited. If studied or observed by scientists, individuals are typically found resting partially buried in the substrate during daylight hours. When active at night or in low light, bottom presentations using microscopic natural baits such as bloodworms can occasionally entice minor bites in slow margins.

Other names for Loach

Local and alternate names anglers use for Loach.

  • Loach

Best equipment to catch Loach

Compare fishing methods for Loach — sized kit for each technique.

Note: Typical fish is 0.2 kg Our algorithm will suggest the best equipment for you based on this weight.

Best lures and baits for Loach

Ranked lures and natural baits from every method, best first.

Where Loach spends the year — Non-migratory

Stays in the same waters year-round. Look for it on the same grounds rather than timing a run.

Where Loach spends the year — Non-migratory 1. Eggs: Laid on the home grounds. 2. Juveniles: Grow up close by. 3. Adults: Keep to a small home range. 4. Spawners: Spawn on the same grounds, with only short moves.
Same water all year

1 Eggs

Same water all year

Laid on the home grounds.

2 Juveniles

Same water all year

Grow up close by.

3 Adults

Same water all year

Keep to a small home range.

4 Spawners

Same water all year

Spawn on the same grounds, with only short moves.

Hover or tap a number to read each stage.

Diet and behavior of Loach

  • Diet

    Carnivore

  • Hunts

    Morning

Where Loach lives

Lives near the bottom but swims in the water just above it. Cover the lower column, not only the mud.

Habitats
Freshwater
Depth zone
Depth not recorded
Water column
Benthopelagic
Just above the bed

Where this species lives