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Mexican halfbeak (Hyporhamphus mexicanus) — Hemiramphidae

Mexican halfbeak

Hyporhamphus mexicanus
Family: Hemiramphidae

The Mexican halfbeak (Hyporhamphus mexicanus) is a freshwater fish of the family Hemiramphidae that grows up to 17 cm.

Length
17.3 cm
Water
Freshwater
Depth
0.0–? m
Behaviour
Schooling
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Open water
Danger
Harmless
Range
North America: Guatemala, Mexico

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Description

The Mexican halfbeak is a halfbeak (Hemiramphidae) from shallow coastal and estuarine water of the eastern Pacific off Mexico. The species grows to about 25 cm and has a very slender, silvery body in which the lower jaw is extended into a long, needle-like beak while the upper jaw is short. As a surface fish it swims in schools just below the surface and snaps at drifting algae, insects fallen on the water, larvae and small zooplankton. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Mexican halfbeak?

The Mexican halfbeak has an elongate, eel-like body and is mainly silver-grey.

Where does the Mexican halfbeak live?

The Mexican halfbeak lives in fresh water and is mostly found around open water. North America: Guatemala, Mexico

How big does the Mexican halfbeak get?

The Mexican halfbeak grows to a maximum of about 17 cm.

Is the Mexican halfbeak dangerous to humans?

No, the Mexican halfbeak is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

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All data

Identification

English name
Mexican halfbeak sourced
Scientific name
Hyporhamphus mexicanus
Family
Hemiramphidae

Appearance

Size class
Medium verified
Max length (cm)
17.3 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey sourced
Tail shape
Forked inferred

Habitat & distribution

Water type
Freshwater sourced
Substrate
Open water sourced
Min depth (m)
0.0 verified
Natural range
North America: Guatemala, Mexico sourced
Origin
Native inferred

Behaviour & biology

Social behaviour
Schooling sourced
Territorial
No inferred
Activity
Diurnal inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred

For anglers

Fishing method
Can be caught with natural bait or lures, matched to the size and habitat of the species. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified
First aid
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. verified

Status & sources

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

Same genus Hyporhamphus

More from the family Hemiramphidae

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