Assessment of PIT tag retention and post-tagging survival in metamorphosing juvenile sea lamprey

Table 2 Symptoms of deceased metamorphosing juvenile sea lamprey from both tagged and untagged groups used as part of a survival analysis study

Symptoms observed	Number of mortalities	Median days until death	Maximum days until death
Tagged lampreys
Protruding viscera	4 (2.6)	8	17
No symptoms	4 (2.6)	41	45
Small bulge	2 (1.3)	35	35
Fungus	1 (0.7)	27	27
Untagged lampreys
No symptoms	4 (3.3)	19	23
Fungus	3 (2.5)	44	47

The number of mortalities observed for each symptom type, median, and maximum number of days until death for lampreys with each symptom are shown; percentage of mortalities among all tagged and untagged lamprey is given in parentheses

ISSN: 2050-3385