diff --git a/src/components/AddFishForm.js b/src/components/AddFishForm.js
index 586b2bb..11d99c1 100644
--- a/src/components/AddFishForm.js
+++ b/src/components/AddFishForm.js
@@ -32,4 +32,8 @@ class AddFishForm extends React.Component {
 	}
 }
 
+AddFishForm.propTypes = {
+	addFish: React.PropTypes.func.isRequired
+}
+
 export default AddFishForm; 
\ No newline at end of file
diff --git a/src/components/App.js b/src/components/App.js
index c80b436..16018fe 100644
--- a/src/components/App.js
+++ b/src/components/App.js
@@ -121,4 +121,8 @@ class App extends React.Component {
 	}
 }
 
+App.propTypes = {
+	params: React.PropTypes.object.isRequired
+}
+
 export default App;
\ No newline at end of file
diff --git a/src/components/Fish.js b/src/components/Fish.js
index 3fbefc8..ae393a6 100644
--- a/src/components/Fish.js
+++ b/src/components/Fish.js
@@ -20,4 +20,10 @@ class Fish extends React.Component {
 	}
 }
 
+Fish.propTypes = {
+	details: React.PropTypes.object.isRequired,
+	index: React.PropTypes.string.isRequired,
+	addToOrder: React.PropTypes.func.isRequired
+};
+
 export default Fish; 
\ No newline at end of file
diff --git a/src/components/Header.js b/src/components/Header.js
index a20df67..eb19ff3 100644
--- a/src/components/Header.js
+++ b/src/components/Header.js
@@ -17,4 +17,8 @@ const Header = (props) => {
 	)
 }
 
+Header.propTypes = {
+	tagline: React.PropTypes.string.isRequired
+}
+
 export default Header; 
\ No newline at end of file
diff --git a/src/components/Inventory.js b/src/components/Inventory.js
index 851851c..34d2acb 100644
--- a/src/components/Inventory.js
+++ b/src/components/Inventory.js
@@ -46,4 +46,12 @@ class Inventory extends React.Component {
 	}
 }
 
+Inventory.propTypes = {
+	fishes: React.PropTypes.object.isRequired,
+	updateFish: React.PropTypes.func.isRequired,
+	removeFish: React.PropTypes.func.isRequired,
+	addFish: React.PropTypes.func.isRequired,
+	loadSamples: React.PropTypes.func.isRequired
+};
+
 export default Inventory; 
\ No newline at end of file
diff --git a/src/components/Order.js b/src/components/Order.js
index 7409b60..30b0041 100644
--- a/src/components/Order.js
+++ b/src/components/Order.js
@@ -66,4 +66,10 @@ class Order extends React.Component {
 	}
 }
 
+Order.propTypes = {
+	fishes: React.PropTypes.object.isRequired,
+	order: React.PropTypes.object.isRequired,
+	removeFromOrder: React.PropTypes.func.isRequired,
+};
+
 export default Order; 
\ No newline at end of file