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Teleostei (teleosts) > Beloniformes (Needle fishes) > Hemiramphidae (Halfbeaks)
Etymology: Hyporhamphus: Greek, hypo = under + Greek, rhamphos = beak, bill (Ref. 45335).
Eponymy: Rosa Smith Eigenmann (1858–1947) was the wife of ichthyologist Carl H Eigenmann and an ichthyologist in her own right. [...] (Ref. 128868), visit book page.
More on authors: Jordan & Gilbert.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; freshwater; brackish; pelagic-neritic; depth range 0 - ? m. Subtropical

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Eastern Pacific: Santa Ana in southern California, USA to Costa Rica. Range extends to Panama (Ref. 36576). Reported from Peru and Galapagos Islands (Ref. 5530).

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 15.0 cm TL male/unsexed; (Ref. 2850); common length : 9.0 cm SL male/unsexed; (Ref. 9306)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 13 - 15; Anal spines: 0; Anal soft rays: 14 - 16; Vertebrae: 47 - 50. Branchiostegal rays: 10-12 (Ref. 36576).

Adults are found near shore, frequently in coastal bays at or near the surface. Often form small schools. Occasionally penetrate fresh waters (Ref. 9306). Presumably oviparous, with planktonic larvae (Ref. 36576). Eggs are attached to spawning substrate via filaments (Ref. 36576).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Oviparous (Ref. 36576).

Main reference Upload your references | References | Coordinator : Collette, Bruce B. | Collaborators

Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Data deficient (DD) ; Date assessed: 06 December 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

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Estimates based on models

Preferred temperature (Ref. 123201): 17.4 - 28.3, mean 23.4 °C (based on 64 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00257 (0.00115 - 0.00574), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.0 ±0.4 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Hyporhamphus rosae (Jordan & Gilbert, 1880)