Portugal country information

Common names: Boga, Mira pardelha
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Found in the Iberian Peninsula (Ref. 119049). Inhabits the southwestern Portuguese drainages Mira, Arade and the smaller Bensafrim (the population from Bensafrim drainage was assigned to the new taxon through molecular markers analysis; Mesquita et al. unpublished data). Although it is locally abundant, its very limited range, coupled with a high dependence on the spatial heterogeneity and temporal dynamics of the lotic systems it inhabits, increases the species’ vulnerability to anthropogenic activities. Therefore, habitat homogenisation or destruction, by altered land use, damming, water extraction or introduction of exotic species, may significantly affect the species’ survival in the future, justifying the inclusion of this species in the Critically Endangered category of IUCN Red List (Ref. 55426). Also Ref. 59043. Status of threat: Critically endangered (Ref. 119049).
National Checklist: Portugal
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/po.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Coelho, M.M., N. Mesquita and M.J. Collares-Pereira, 2005
National Database: Portuguese Freshwater Fishes

Common names from other countries

Boga, Mira pardelha, Oja-iberokõhrsuu, ... more

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Cypriniformes (Carps) > Leuciscidae (Minnows) > Leuciscinae
Etymology: Iberochondrostoma: Name referring to the Iberian Peninsula where the genus is distributed.; almacai: Named for Carlos Almaça, for his contributions on differentiation patterns and evolutionary processes of Euro-Mediterranean cyprinids..

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

Freshwater; pelagic. Subtropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Europe: southern Portugal (Mira, Arade and Bensafrim drainages) (Ref. 55426). Reported from the Iberian Peninsula in Spain (Ref. 119049).

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 14.8 cm TL male/unsexed; (Ref. 55426); max. reported age: 4 years (Ref. 55426)

Short description Morphology | Morphometrics

Dorsal spines (total): 3; Dorsal soft rays (total): 7-8; Anal spines: 3; Anal soft rays: 7 - 8. Diagnosis: Lateral line scales (45)47-51(53); above lateral line 10.5-11.5 (12); right pharyngeal teeth (4) 5. In comparison to C. lusitanicum, Chondrostoma almacai has a higher mean number of scales on the lateral line and above the lateral line, a smaller number of right pharyngeal teeth, a smaller head, but a larger snout and eye. There is one allozyme diagnostic locus, PGDH, with the presence of two exclusive and fixed alleles for Chondrostoma almacai (Ref. 55426).

The new species is a rheophilic fish, inhabiting Mediterranean-type streams that have typical seasonal habitat heterogeneity, and low to medium flowing clear waters. The species has a short life-span living up to four (4) years, and becomes sexually mature early at the age of two years, irrespective of sex. However, 81.5% of males are mature at 70-80 mm total length, whereas only 50% of females are mature at 80-90 mm total length. Magalhães (2002) also noticed high fecundity, apparently strongly correlated with total body length, with estimates of up to 3,999 eggs at 100 mm total length; egg size ranges from 1.12 to 1.43 mm and is independent of total body length. Spawning occurs early in the year, from January to April (Ref. 55426). Breeds in shallow riffle habitats with fast-flowing water. May be confined to very small pools during summer (Ref. 59043).

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

Main reference Upload your references | References | Coordinator | Collaborators

Coelho, M.M., N. Mesquita and M.J. Collares-Pereira, 2005. Chondrostoma almacai, a new cyprinid species from the southwest of Portugal, Iberian Peninsula. Folia Zool. 54(1-2):201-212. (Ref. 55426)

IUCN Red List Status (Ref. 130435)

Critically Endangered (CR) (B2ab(i,ii,iii)); Date assessed: 01 January 2008

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO(Publication : search) | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00724 (0.00358 - 0.01465), b=3.14 (2.98 - 3.30), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 2.9 ±0.1 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).

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

Iberochondrostoma almacai (Coelho, Mesquita & Collares-Pereira, 2005)