7863

• UCREFRP Catalog Number: 7863
• Author: Nature Conservancy, T.
• Title: Candidate Species Reports from the Natural Heritage Central Database.
• USFW Year: 1996.
• USFW - Doc Type: \
• Copyright Material: NO

:~

t .

'-.

Element Global Ranking Form as of 04 JON 1996
SALVELINUS CONFLUENTUS

~ I)R~

Identifiers:
ELCODE: AFCHAOS020
GNAME: SALVELlNUS CONFLUENTUS
ELDESCRIP: Fish, Salmonidae.

EO Specifications:
EOSPECS: Reach of stream or lake/pond with population.

ARANKSPECS:

BRANKSPECS:

CRANKSPECS:

DRANKSPECS:

Descriptors:
TAXDIST: C TAXON. STAT: A
GTAXCOM: Member of S. ALPlNUS complex. Long confused with S. MALMA,
especially where ranges overlap on Pacific slope (Lee et al.
1980). McPhail (1961, J. Fish. Res. Board Canada 18:793-814)
regarded S. CONFLUENTUS as conspecific with S. MALMA.
Cavender (1978, California Fish & Game 64:139-174)
demonstrated the specific distinctiveness of S. CONFLUENTUS.
Sterile hybrids arise from cross with S. FONTINALIS.

OLD.TAXCOM:

GEXEMPSITE: Swan River, western Montana.
HABITAT:

PERMANENCE: Perennial.

Rankinq Factors:
GESTEOS : D
GESTEOSCOM:

GABUND: D
GABUNDCOM: Unknown.

GRANGE: C
GRANGECOM: North-south distribution in coastal and montane areas of
Pacific Northwest between 48 and 60 degrees N latitude; in
most drainages on both sides of continental Divide (Lee et
al. 1980). Coastal and mountain streams of Arctic, Pacific,
and Missouri River drainages from extreme southern Yukon to
headwaters of columbia River drainage in northern Nevada and
McCloud River drainage below Lower Falls in California,
where extirpated; locally common, rare in southern part of
range (California DF&G 199~; Page and Burr 1991) .

GTREND:
GTRENDCOM: Range in Klamath River basin has declined drastically over
the past few decades (Fisheries Action News, Winter 1994) .

GPROTEOS: C