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ISSUES SUBMITTAL FORM
Date: 7/15/13
Should the CPW Commission add Tiger Trout and Cutbow to the Chapter 1 #100 D
“Game Fish” definition and to #107 –Statewide Daily Bag and Possession Limits and
Special Season list of Trout species included in the aggregate bag and possession
limit.
DISCUSSION (FACTS AND FIGURES, EXPLANATION OF ISSUE):
ISSUE:
Tiger trout (Brown Trout X Brook Trout Hybrid) has recently been added to the fish raised for stocking by the CPW
hatcheries. Currently, the tiger trout is not referenced in any of the following CPW Regulations Chapter 0 Appendix
E4, Chapter 1 #100 Definitions - D. “Game Fish”, or in #107- Statewide Daily Bag and Possession Limits and Special
Season for trout. Therefore at this time no bag or possession limits are recognized for Tiger Trout. Tiger trout are
only used in a few places statewide and provide a unique opportunity for the anglers in Colorado.
Similarly, the Cutbow (Rainbow X Cutthroat Hybrid) is raised by CPW hatcheries for stocking and occurs naturally in
the wild. CPW recognizes Master Angler awards and State Records for the Cutbow, yet the Cutbow is not listed in
Chapter 0 Appendix E or as a “Game Fish” (#100 D) or in the bag and possession limits (#107) in Chapter 1. Both in
the hatchery setting and in the wild a Cutbow can look like either of the parents or a combination of the two.
Confusion arises when an angler catches a Cutbow and does not know if it is considered a rainbow or that no limits
apply. Awards and records have been established for the Cutbow since we knowingly stock them into many waters
and they seem to show better growth potential in some situations over either of the parental stock.
Adding the Tiger Trout and Cutbow to the list of Game Fish and to the fish species in the aggregate trout bag and
possession would formalize what most anglers think the regulations are thought to be.
WHO ARE THE INTERNAL/EXTERNAL PUBLICS IN THIS ISSUE? WHAT INPUT PROCESS HAS
OCCURRED?
External:
Limited number of anglers
Internal:
Regions / Area
Aquatic Section
ALTERNATIVES: (POSSIBLE OUTCOMES or POSSIBLE REGULATIONS):
1. * Preferred Alternative *: Add Tiger Trout and Cutbow to the Chapter 1 in both the Definitions
#100 D “Game Fish” and to #107- Statewide Daily Bag and Possession Limits and Special
Season for trout. Add both the Tiger Trout (Salmo trutta X Salvelinus fontinalis) and Cutbow
(Oncorhynchus mykiss X Oncorhynchus clarkii) to Chapter 0 Appendix E4- Species Scientific
Name Index.
2. Add Tiger Trout to Chapter 1 Definitions #100 D and to #107- Statewide Daily Bag and
Possession Limits and Special Season for trout. Add the Tiger Trout (Salmo trutta X Salvelinus
fontinalis) to Chapter 0 Appendix E- Species Scientific Name Index In addition change the wording in
Chapter 1 #100 D to include Rainbow trout and its hybrids.
3. Status Quo: Have no bag and possession limit for Tiger Trout or Cutbow, or recognize them as a
Game Fish.
Issue Raised by:
Aquatic Section
Author of the issue paper
(if different than person raising the
Greg Gerlich
issue):
CC:
APPROVED FOR FURTHER
GREG GERLICH
CONSIDERATION BY:
REQUIRES NEW SPACE IN THE BROCHURE?
YES
ISSUE PAPER HAS BEEN EMAILED TO REG REVIEW MGRS GROUP?
YES
RECOMMENDED FOR CONSENT AGENDA?
YES
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