Top Banner
Juvenile Salmonid and Small Fish Identification Aid ADF&G Habitat & Restoration Division Version 1.1 March 27, 2003 Compiled by Ed Weiss This aid was developed to assist staff in the field identification of juvenile salmonids and other small fishes commonly caught during field sampling of freshwater streams and lakes. Juvenile salmon sketches were adapted from sketches by the Oregon Department of Fish & Wildlife’s Aquatic Education Program. Photos are from ADF&G, USFS and CIAA file archives as well as personal collections. Special thanks goes out to all who contributed: Mike Anderson Joe Buckwalter Tom Cappiello Cathy Cline Jack Dean Fred DeCicco Samantha Greenwood Bill Hauser Susie Hayes Doug Hill Frances Inoue Betsy McCracken Cecil Rich Stewart Seaberg Mike Wiedmer CHINOOK Parr marks even across lateral line & wider than interspaces No spots ADF&G ADF&G FL 52mm FL 54mm Anal fin: 13 rays, Not sickle shaped (leading edge longer than base) Adipose has “clear window” melanofores on outer edge CHINOOK Chinook Coho ADF&G ADF&G ADF&G FL 43mm FL 48mm
9

Juvenile Salmonid and Small Fish Identification Aid · Juvenile Salmonid and Small Fish Identification Aid ADF&G Habitat & Restoration Division Version 1.1 March 27, 2003 Compiled

Feb 07, 2020

Download

Documents

dariahiddleston
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
  • Juvenile Salmonid and Small Fish Identification Aid

    ADF&G Habitat & Restoration Division

    Version 1.1

    March 27, 2003 Compiled by Ed Weiss

    This aid was developed to assist staff in the field identification of juvenile salmonids and other small fishes

    commonly caught during field sampling of freshwater streams and lakes.

    Juvenile salmon sketches were adapted from sketches by the Oregon Department of Fish & Wildlife’s Aquatic Education Program. Photos are from ADF&G, USFS and CIAA file

    archives as well as personal collections.

    Special thanks goes out to all who contributed:

    Mike Anderson Joe Buckwalter Tom Cappiello

    Cathy Cline Jack Dean

    Fred DeCicco Samantha Greenwood

    Bill Hauser Susie Hayes Doug Hill

    Frances Inoue Betsy McCracken

    Cecil Rich Stewart Seaberg Mike Wiedmer

    CHINOOK

    Parr marks even across lateral line & wider than interspaces

    No spots

    ADF&G

    ADF&G

    FL 52mm

    FL 54mm

    Anal fin: ≥ 13 rays, Not sickle shaped (leading edge longer than base)

    Adipose has “clear window” melanofores on outer edge

    CHINOOK

    Chinook Coho

    ADF&G

    ADF&G

    ADF&GFL 43mm

    FL 48mm

  • COHO

    Anal fin: ≥ 13 rays, sickle shaped (leading edge longer than base), black/white leading edge

    Parr marks even across lateral line & narrower than interspaces

    Adipose melanofores thru out. No “clear window”

    No spots

    ADF&G

    ADF&G

    FL 51mm

    COHO

    Coho smolt

    Chinook parr Coho parr

    ADF&G

    ADF&G

    ADF&G

    mm

    FL 48mm

    FL 43mm

    CHUM

    Faint parr marks above lateral line

    Small 3-4 cm, leaves freshwater as fry

    ADF&G ADF&G

    FL 39mm

    ADF&G

    ADF&G

    PINK

    Small 2-3 cm, leaves freshwater as fry

    No parr marks. Dorsal surface green.

    Ventral & sides silver.

    ADF&G

    ADF&G

  • SOCKEYE

    Fry

    Fry

    Parr marks staggered across lateral line

    ADF&G

    ADF&G

    FL 32mm

    FL 40mm

    SOCKEYE

    Parr

    Smolt

    CIAA

    FL 50mm

    FL 51mm

    FL 47mm

    Cappiello

    ADF&G

    CUTTHROAT

    USFS

    USFS

    CUTTHROAT

    USFS

    USFS

    USFS

    USFS

  • RAINBOW / STEELHEAD

    ADF&G FL 31mm

    ADF&G FL 44mm

    Red lateral line

    RAINBOW / STEELHEAD

    Rainbow Trout Dolly Varden

    ADF&G

    ADF&G

    DOLLY VARDEN

    • P. cecae = 21 – 39 (30). Gill Rakers 15 – 23. • Anadromous dominant type but also lake or stream residents,

    usually a stream spawner • In spawning, paired fins red/black with white leading edge,

    lower body red, orange or pink.

    ADF&G

    ADF&G

    FL 47mm

    FL 75mm

    Abundant Sm. Light spots on dark background.

    Parr marks irregular, width > interspaces.

    Thick caudal peduncle

    Dark pigment inside mouth

    DOLLY VARDEN

    ADF&G

    ADF&G

    ADF&G

    FL 110mm

  • ARCTIC CHAR

    • P. cecae = 30 – 64 (45). Gill Rakers 21 – 27. • No known anadromous populations in AK. • Lake spawner/resident, sometimes moving into streams. • In spawning, paired fins red/black with white leading edge,

    lower body red or gold. Spots red or orange.

    DeCicco

    Parr marks irregular, width > interspaces.

    Thin caudal peduncle

    Fewer larger Light spots on dark background.

    White inside mouth

    DeCicco

    ARCTIC CHAR

    DeCicco

    DeCicco

    Arctic Char

    Dolly Varden

    J. Dean

    Arctic Char

    ARCTIC GRAYLING

    ADF&G

    ADF&G

    FL 53mm

    FL 202mm

    ARCTIC GRAYLING

    DeCicco

    DeCicco

    ADF&G

  • ALASKA BLACKFISH

    ADF&G

    ADF&G

    FL 126mm

    BURBOT

    ADF&G

    FL mm

    ADF&G

    SLIMY SCULPIN

    ADF&G

    ADF&G

    ADF&G

    FL 93mm

    FL 93mm

    COAST RANGE SCULPIN

    Cappiello

    Cappiello

  • 9 SPINE STICKLEBACK

    ADF&G FL 52mm

    3 SPINE STICKLEBACK

    ADF&G

    FL 57mm

    Cappiello

    Cappiello

    LONGNOSE SUCKER

    ADF&G

    FL 59mm

    ADF&G

    ADF&G

    Cappiello

  • SALMON – Parr

    Chi

    nook

    Coh

    o

    Sock

    eye

    Pink

    Chu

    m

    Trout - Parr

    Rai

    nbow

    Cut

    thro

    at

    Dol

    ly

    Var

    den

    Arc

    tic

    Cha

    r

    SALMON - Adult

    Chi

    nook

    Coh

    o

    Sock

    eye

    Pink

    Chu

    m

    SALMON – Adult Spawning

    Chi

    nook

    Coh

    o

    Sock

    eye

    Pink

    Chu

    m

  • Bibliography

    Burger, Carl V. 1983. Salmon Investigations in the Kenai River, Alaska. U.S. Fish & Wildlife Service, Alaska Field Station, Anchorage, Alaska. Dean, Jack. 2002. Personal Communication. Dean, Jack. July 22, 2002 letter to Cooper Landing Fish & Game Advisory Committee. DeCicco, Fred. 2002. Personal Communication. Ellis, Derek V. 1977. Pacific Salmon: Management for People. Western Geographical Series, Volume 13. University of Victoria, Victoria, BC. Pp. 307 – 315. Hastie, Bill, and Pattie Farthing Bowers. 1997. The Fish Hatchery Next Door, an Educators Guide. Oregon Department of Fish & Wildlife, Portland, OR. Hauser, Bill. May 17, 2001 Hayes, Susie. 2002. Personal Communication. McConnell, Robert J., and George R. Snyder, 1972. Key to Field Identification of Anadromous Juvenile Salmonids in the

    Pacific Northwest. NOAA Technical Report NMFS CIRC-366. Seattle, WA. McPhail, J.D. and C.C. Lindsey, 1970. Freshwater Fishes of Northwestern Canada and Alaska. Bulletin 173. Fisheries Research Board of Canada, Ottawa. pp. 129-135. Meehan, William R. and John S. Vania, 1961. An External Characteristic to Differentiate between King and Silver Salmon Juveniles in Alaska. Informational Leaflet No. 1. Alaska Department of Fish & Game, Juneau, AK. Morrow, James E., 1980. The Freshwater Fishes of Alaska. Alaska Northwest Publishing Co., Anchorage, AK. Pollard, W.R., et al, 1997. Field Identification of Coastal Juvenile Salmonids. Harbour Publishing, Madeira Park, BC. Trautman, Milton B., 1973. A Guide to the Collection and Identification of Presmolt Pacific Salmon in Alaska with an Illustrated Key. NOAA Technical Memorandum NMFS ABFL-2. Seattle, WA. Weidlich, Laurie M. 1986. Game Fishes of Alaska”. Alaska Department of Fish & Game. Public Communication Section, Juneau, AK.