Page précédente Table des matières Page suivante


Annexe 6 Inventory of biological data on major demersal fish species off West Africa

Species

Length-Weight Relationship

Maturity Time Size

Migration
Geographical

Growth

Mortality

Galeoides decadactylus

C1

LF

x

x









No

x y


Pentanemus quinquarius

2



y

No

y


Epinephelus aeneus

C1

LF



Yes

Mediterranean Seaa

E. gigas

C1

LF



Yes

Mediterranean Seaa

Mycteroperca rubra

C3

LF



?


E. goreensis

C3

LF



Yes

Mediterranean Seaa

Cephalopholis taeniops

C3

LF



?



Pomadasys jubelini

C1

LF



Yes



P. peroteti

C1

LF



?



P. incisus

C3

LF



Yes



Diagramma mediterraneum

C1

LF



Yes



Brachydeuterus auritus

C3

LF







C4

LF


y

?

y


Parapristipoma octolineatum

C3

LF



Yes



Argyrosoma regius

C1

LT


y

Yes

x


Pseudotolithus elongatus

C2

LT


y

No

y


P. senegalensis

C1

LT


x

No

x y


P. typus

C2

LT


y

No

y


Umbrina canariensis

C3

LT



?



Pseudupeneus prayensis

C1

LT


x

No



Dentex canariensis

C1

LF


y

Yes

y


Dentex filosus

C1

LF



Yes

x


D. macrophthalmus

C1

LF


x

?

x


Pagellus coupei

C1

LF


x y

?

x y


Pagrus ehrenbergi

C1

LF


x y

Yes

x y


a Estimates of parameters available for the same species in that area only

Annexe 6 (suite)

Species

Length-Weight Relationship

Maturity Time Size

Migration Geographical

Growth

Mortality

Dentex angolensis

C4

LF


y

No

y


Dentex macrophthalmus

C5

LT

x

x

?

x


D. maroccanus

C5

LT



?

x


D. congoensis

C5

LT



?

x


Dentex filosus

C5

LT



Yes

x


Pagellus acarne

C5

LT



?

x


P.coupei

C5

LT

x

y

?

x


Drepane africana

C1

LF



Yes



Syacium micrurum

C1

LT



No



Cynoglossus canariensis

C4

LT



No



Pteroscion peli

C2

LT

y


No

y


Arius gambiensis

C3

LF



No?



Trichiurus lepturus

N5

LT



Yes

x


Balistes capriscus

N6

LT



?



Sepia officinalis

N3

LM



No



Geryon quinquedens

C2

4



?




NOTE:

Length-Weight relationship
C - Calculated
N - Not calculated
LF - Fork length
LT - Total length
LM - Mantle length

Time and size at first maturity and growth

x - Known for species in the area
y - Known but for species out of the area

Migrations

Yes - Known
No - No migrations
? - Unknown

References

1 - Doc. Sci. CRODT, No. 60
2 - Doc. Soi. CRO Pointe Noire
3 - Unpublished data at CRODT
4 - Doc. Sci CRO, Abidjan
5 - Acta Ichthyologica et Piscatoria
6 - Unpublished data at Fishery Research Unit, Tema


Page précédente Début de page Page suivante