Marlin-spike grenadier (Nezumia bairdii) fish species and information / pictures of Marlin-spike grenadier - Nezumia bairdii

Marlin-spike grenadier (Nezumia bairdii) fish species information

Scientific Name
Nezumia bairdii

Common Name
Marlin-spike grenadier

Biology
Dorsal spines (total): 2; Anal spines: 0. Snout pointed; naked area on snout confined to median-ventral strip, otherwise head surfaces completely scaled. Spinules on scales slender, conical to lanceolate, arranged in convergent rows. Color when fresh gray with violet hue on trunk and lower jaw; silvery reflections on gill cover, parts of the suborbital, and trunk and tail below the lateral line; pelvic fins and membrane between spinous dorsal ray and first segmented ray black; pectoral and median fins otherwise dusky; oral and branchial cavities mostly black.

Classification

Classified By

Goode & Bean, 1877

Class

Ray-finned fishes (Actinopterygii)

Order

Cods (Gadiformes)

Family

Grenadiers or rattails (Macrouridae)

Distribution

Region

Northwest Atlantic

Distribution

Northwest Atlantic: Newfoundland, Canada to the northern end of the Straits of Florida, USA. A species reported from the northeastern Atlantic (Ref. 6321) should be reexamined. Report of specimen from the Azores and records from the Gulf of Mexico and West Indies (Ref. 6322) probably refer to other species.

Range

59°N - 24°N, 81°W - 42°W

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

16 m

Depth To - meters

1000 m

Zone

benthopelagic

Environment

Marine; benthopelagic; non-migratory; depth range 16 - 1000 m (Ref. 1371), usually 90 - 700 m (Ref. 1371)

Trophic Level

3.57 s.e. 0.38 Based on diet studies.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

40.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial

Vulnerability

Moderate vulnerability (40 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.28)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated