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Poor man's tropheus (Hypsophrys nematopus) — Cichlidae

Poor man's tropheus

Hypsophrys nematopus
Family: Cichlidae
NT · Near Threatened

The Poor man's tropheus (Hypsophrys nematopus) is a freshwater fish of the family Cichlidae that grows up to 14 cm.

Length
14 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Small groups
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
Central America; lakes and fast-flowing rocky rivers of Nicaragua and Costa Rica.
Edibility
Rarely eaten

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Description

The poor man's tropheus is a small Central American cichlid from Nicaragua and Costa Rica. The species grows to about 14 cm and has a stocky, dark body with a yellow belly and blue shining spots, recalling the African Tropheus cichlids. It inhabits both lakes and rivers and thrives especially in rivers with moderate to high current and a rocky bottom. As an omnivore it grazes algae and growth from rocks, supplemented with small invertebrates. Cichlids form pairs and guard their eggs and young. Owing to a restricted range the species is listed as Near Threatened (NT). It is harmless to humans.

Frequently asked questions

How do you recognise the Poor man's tropheus?

The Poor man's tropheus has a torpedo-shaped body, is mainly black and shows a plain pattern. Dark with a yellow belly and glossy blue spots (like Tropheus); algae grazer of fast-flowing rivers, near threatened (NT).

Where does the Poor man's tropheus live?

The Poor man's tropheus lives in fresh water and is mostly found around sand or mud bottom. Central America; lakes and fast-flowing rocky rivers of Nicaragua and Costa Rica.

How big does the Poor man's tropheus get?

The Poor man's tropheus grows to a maximum of about 14 cm.

Is the Poor man's tropheus dangerous to humans?

No, the Poor man's tropheus is harmless to humans. None required: this species is harmless to humans.

Is the Poor man's tropheus edible?

The Poor man's tropheus is rarely eaten.

More photos

Poor man's tropheus (Hypsophrys nematopus) — Cichlidae — 2
iNaturalist ((c) Eric van den Berghe, some rights reserved (CC BY-NC))
Poor man's tropheus (Hypsophrys nematopus) — Cichlidae — 3
iNaturalist ((c) Diana Fuentes, some rights reserved (CC BY-SA))
Poor man's tropheus (Hypsophrys nematopus) — Cichlidae — 4
iNaturalist ((c) Eric van den Berghe, some rights reserved (CC BY-NC))
Poor man's tropheus (Hypsophrys nematopus) — Cichlidae — 5
The Trustees of the Natural History Museum, London (CC0 1.0) via GBIF — NHMUK
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All data

Identification

English name
Poor man's tropheus verified
Scientific name
Hypsophrys nematopus
Family
Cichlidae

Appearance

Size class
Small verified
Max length (cm)
14.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Black inferred
Pattern
Plain inferred
Tail shape
Rounded inferred
Mouth position
Terminal inferred
Lips
Thick / fleshy inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Natural range
Central America; lakes and fast-flowing rocky rivers of Nicaragua and Costa Rica. inferred
Origin
Native sourced

Behaviour & biology

Diet
Omnivore sourced
Diet (detail)
Algae and biofilm from rocks, plus small invertebrates sourced
Social behaviour
Small groups inferred
Territorial
Yes inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
Yes inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Dark with a yellow belly and glossy blue spots (like Tropheus); algae grazer of fast-flowing rivers, near threatened (NT). sourced

For anglers

Edibility
Rarely eaten sourced
Fishing method
Small in size and barely an angling target; mostly caught incidentally or as baitfish. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
None required: this species is harmless to humans. sourced

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Hypsophrys

More from the family Cichlidae

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